39680004

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 120657600

約数和(自身を除く): 80977596

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 49, 52, 58, 78, 84, 87, 91, 98, 116, 147, 156, 174, 179, 182, 196, 203, 273, 294, 348, 358, 364, 377, 406, 537, 546, 588, 609, 637, 716, 754, 812, 1074, 1092, 1131, 1218, 1253, 1274, 1421, 1508, 1911, 2148, 2262, 2327, 2436, 2506, 2548, 2639, 2842, 3759, 3822, 4263, 4524, 4654, 5012, 5191, 5278, 5684, 6981, 7518, 7644, 7917, 8526, 8771, 9308, 10382, 10556, 13962, 15036, 15573, 15834, 16289, 17052, 17542, 18473, 20764, 26313, 27924, 31146, 31668, 32578, 35084, 36337, 36946, 48867, 52626, 55419, 62292, 65156, 67483, 72674, 73892, 97734, 105252, 109011, 110838, 114023, 134966, 145348, 195468, 202449, 218022, 221676, 228046, 254359, 269932, 342069, 404898, 436044, 456092, 472381, 508718, 684138, 763077, 809796, 944762, 1017436, 1368276, 1417143, 1526154, 1889524, 2834286, 3052308, 3306667, 5668572, 6613334, 9920001, 13226668, 19840002, 39680004]

約数ペア:

[(1, 39680004), (2, 19840002), (3, 13226668), (4, 9920001), (6, 6613334), (7, 5668572), (12, 3306667), (13, 3052308), (14, 2834286), (21, 1889524), (26, 1526154), (28, 1417143), (29, 1368276), (39, 1017436), (42, 944762), (49, 809796), (52, 763077), (58, 684138), (78, 508718), (84, 472381), (87, 456092), (91, 436044), (98, 404898), (116, 342069), (147, 269932), (156, 254359), (174, 228046), (179, 221676), (182, 218022), (196, 202449), (203, 195468), (273, 145348), (294, 134966), (348, 114023), (358, 110838), (364, 109011), (377, 105252), (406, 97734), (537, 73892), (546, 72674), (588, 67483), (609, 65156), (637, 62292), (716, 55419), (754, 52626), (812, 48867), (1074, 36946), (1092, 36337), (1131, 35084), (1218, 32578), (1253, 31668), (1274, 31146), (1421, 27924), (1508, 26313), (1911, 20764), (2148, 18473), (2262, 17542), (2327, 17052), (2436, 16289), (2506, 15834), (2548, 15573), (2639, 15036), (2842, 13962), (3759, 10556), (3822, 10382), (4263, 9308), (4524, 8771), (4654, 8526), (5012, 7917), (5191, 7644), (5278, 7518), (5684, 6981)]