129137440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:470

約数の個数: 96

約数和(自身を含む): 326020464

約数和(自身を除く): 196883024

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 197, 241, 272, 340, 394, 482, 544, 680, 788, 964, 985, 1205, 1360, 1576, 1928, 1970, 2410, 2720, 3152, 3349, 3856, 3940, 4097, 4820, 6304, 6698, 7712, 7880, 8194, 9640, 13396, 15760, 16388, 16745, 19280, 20485, 26792, 31520, 32776, 33490, 38560, 40970, 47477, 53584, 65552, 66980, 81940, 94954, 107168, 131104, 133960, 163880, 189908, 237385, 267920, 327760, 379816, 474770, 535840, 655520, 759632, 807109, 949540, 1519264, 1614218, 1899080, 3228436, 3798160, 4035545, 6456872, 7596320, 8071090, 12913744, 16142180, 25827488, 32284360, 64568720, 129137440]

約数ペア:

[(1, 129137440), (2, 64568720), (4, 32284360), (5, 25827488), (8, 16142180), (10, 12913744), (16, 8071090), (17, 7596320), (20, 6456872), (32, 4035545), (34, 3798160), (40, 3228436), (68, 1899080), (80, 1614218), (85, 1519264), (136, 949540), (160, 807109), (170, 759632), (197, 655520), (241, 535840), (272, 474770), (340, 379816), (394, 327760), (482, 267920), (544, 237385), (680, 189908), (788, 163880), (964, 133960), (985, 131104), (1205, 107168), (1360, 94954), (1576, 81940), (1928, 66980), (1970, 65552), (2410, 53584), (2720, 47477), (3152, 40970), (3349, 38560), (3856, 33490), (3940, 32776), (4097, 31520), (4820, 26792), (6304, 20485), (6698, 19280), (7712, 16745), (7880, 16388), (8194, 15760), (9640, 13396)]