221210388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{983}}^1$

素因数の和:1066

約数の個数: 144

約数和(自身を含む): 687697920

約数和(自身を除く): 466487532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 47, 57, 63, 76, 84, 94, 114, 126, 133, 141, 171, 188, 228, 252, 266, 282, 329, 342, 399, 423, 532, 564, 658, 684, 798, 846, 893, 983, 987, 1197, 1316, 1596, 1692, 1786, 1966, 1974, 2394, 2679, 2949, 2961, 3572, 3932, 3948, 4788, 5358, 5898, 5922, 6251, 6881, 8037, 8847, 10716, 11796, 11844, 12502, 13762, 16074, 17694, 18677, 18753, 20643, 25004, 27524, 32148, 35388, 37354, 37506, 41286, 46201, 56031, 56259, 61929, 74708, 75012, 82572, 92402, 112062, 112518, 123858, 130739, 138603, 168093, 184804, 224124, 225036, 247716, 261478, 277206, 323407, 336186, 392217, 415809, 522956, 554412, 646814, 672372, 784434, 831618, 877819, 970221, 1176651, 1293628, 1568868, 1663236, 1755638, 1940442, 2353302, 2633457, 2910663, 3511276, 3880884, 4706604, 5266914, 5821326, 6144733, 7900371, 10533828, 11642652, 12289466, 15800742, 18434199, 24578932, 31601484, 36868398, 55302597, 73736796, 110605194, 221210388]

約数ペア:

[(1, 221210388), (2, 110605194), (3, 73736796), (4, 55302597), (6, 36868398), (7, 31601484), (9, 24578932), (12, 18434199), (14, 15800742), (18, 12289466), (19, 11642652), (21, 10533828), (28, 7900371), (36, 6144733), (38, 5821326), (42, 5266914), (47, 4706604), (57, 3880884), (63, 3511276), (76, 2910663), (84, 2633457), (94, 2353302), (114, 1940442), (126, 1755638), (133, 1663236), (141, 1568868), (171, 1293628), (188, 1176651), (228, 970221), (252, 877819), (266, 831618), (282, 784434), (329, 672372), (342, 646814), (399, 554412), (423, 522956), (532, 415809), (564, 392217), (658, 336186), (684, 323407), (798, 277206), (846, 261478), (893, 247716), (983, 225036), (987, 224124), (1197, 184804), (1316, 168093), (1596, 138603), (1692, 130739), (1786, 123858), (1966, 112518), (1974, 112062), (2394, 92402), (2679, 82572), (2949, 75012), (2961, 74708), (3572, 61929), (3932, 56259), (3948, 56031), (4788, 46201), (5358, 41286), (5898, 37506), (5922, 37354), (6251, 35388), (6881, 32148), (8037, 27524), (8847, 25004), (10716, 20643), (11796, 18753), (11844, 18677), (12502, 17694), (13762, 16074)]