221399892

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 240

約数和(自身を含む): 707739648

約数和(自身を除く): 486339756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 47, 54, 62, 63, 67, 81, 84, 93, 94, 108, 124, 126, 134, 141, 162, 186, 188, 189, 201, 217, 252, 268, 279, 282, 324, 329, 372, 378, 402, 423, 434, 469, 558, 564, 567, 603, 651, 658, 756, 804, 837, 846, 868, 938, 987, 1116, 1134, 1206, 1269, 1302, 1316, 1407, 1457, 1674, 1692, 1809, 1876, 1953, 1974, 2077, 2268, 2412, 2511, 2538, 2604, 2814, 2914, 2961, 3149, 3348, 3618, 3807, 3906, 3948, 4154, 4221, 4371, 5022, 5076, 5427, 5628, 5828, 5859, 5922, 6231, 6298, 7236, 7614, 7812, 8308, 8442, 8742, 8883, 9447, 10044, 10199, 10854, 11718, 11844, 12462, 12596, 12663, 13113, 14539, 15228, 16884, 17484, 17577, 17766, 18693, 18894, 20398, 21708, 22043, 23436, 24924, 25326, 26226, 26649, 28341, 29078, 30597, 35154, 35532, 37386, 37788, 37989, 39339, 40796, 43617, 44086, 50652, 52452, 53298, 56079, 56682, 58156, 61194, 66129, 70308, 74772, 75978, 78678, 85023, 87234, 88172, 91791, 97619, 106596, 112158, 113364, 118017, 122388, 130851, 132258, 151956, 157356, 168237, 170046, 174468, 183582, 195238, 198387, 224316, 236034, 255069, 261702, 264516, 275373, 292857, 336474, 340092, 367164, 390476, 392553, 396774, 472068, 510138, 523404, 550746, 585714, 595161, 672948, 683333, 785106, 793548, 826119, 878571, 1020276, 1101492, 1171428, 1177659, 1190322, 1366666, 1570212, 1652238, 1757142, 1785483, 2049999, 2355318, 2380644, 2635713, 2733332, 3304476, 3514284, 3570966, 4099998, 4710636, 5271426, 6149997, 7141932, 7907139, 8199996, 10542852, 12299994, 15814278, 18449991, 24599988, 31628556, 36899982, 55349973, 73799964, 110699946, 221399892]

約数ペア:

[(1, 221399892), (2, 110699946), (3, 73799964), (4, 55349973), (6, 36899982), (7, 31628556), (9, 24599988), (12, 18449991), (14, 15814278), (18, 12299994), (21, 10542852), (27, 8199996), (28, 7907139), (31, 7141932), (36, 6149997), (42, 5271426), (47, 4710636), (54, 4099998), (62, 3570966), (63, 3514284), (67, 3304476), (81, 2733332), (84, 2635713), (93, 2380644), (94, 2355318), (108, 2049999), (124, 1785483), (126, 1757142), (134, 1652238), (141, 1570212), (162, 1366666), (186, 1190322), (188, 1177659), (189, 1171428), (201, 1101492), (217, 1020276), (252, 878571), (268, 826119), (279, 793548), (282, 785106), (324, 683333), (329, 672948), (372, 595161), (378, 585714), (402, 550746), (423, 523404), (434, 510138), (469, 472068), (558, 396774), (564, 392553), (567, 390476), (603, 367164), (651, 340092), (658, 336474), (756, 292857), (804, 275373), (837, 264516), (846, 261702), (868, 255069), (938, 236034), (987, 224316), (1116, 198387), (1134, 195238), (1206, 183582), (1269, 174468), (1302, 170046), (1316, 168237), (1407, 157356), (1457, 151956), (1674, 132258), (1692, 130851), (1809, 122388), (1876, 118017), (1953, 113364), (1974, 112158), (2077, 106596), (2268, 97619), (2412, 91791), (2511, 88172), (2538, 87234), (2604, 85023), (2814, 78678), (2914, 75978), (2961, 74772), (3149, 70308), (3348, 66129), (3618, 61194), (3807, 58156), (3906, 56682), (3948, 56079), (4154, 53298), (4221, 52452), (4371, 50652), (5022, 44086), (5076, 43617), (5427, 40796), (5628, 39339), (5828, 37989), (5859, 37788), (5922, 37386), (6231, 35532), (6298, 35154), (7236, 30597), (7614, 29078), (7812, 28341), (8308, 26649), (8442, 26226), (8742, 25326), (8883, 24924), (9447, 23436), (10044, 22043), (10199, 21708), (10854, 20398), (11718, 18894), (11844, 18693), (12462, 17766), (12596, 17577), (12663, 17484), (13113, 16884), (14539, 15228)]