402540464

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 830857536

約数和(自身を除く): 428317072

約数列:

[1, 2, 4, 8, 16, 37, 61, 71, 74, 122, 142, 148, 157, 244, 284, 296, 314, 488, 568, 592, 628, 976, 1136, 1256, 2257, 2512, 2627, 4331, 4514, 5254, 5809, 8662, 9028, 9577, 10508, 11147, 11618, 17324, 18056, 19154, 21016, 22294, 23236, 34648, 36112, 38308, 42032, 44588, 46472, 69296, 76616, 89176, 92944, 153232, 160247, 178352, 320494, 354349, 412439, 640988, 679967, 708698, 824878, 1281976, 1359934, 1417396, 1649756, 2563952, 2719868, 2834792, 3299512, 5439736, 5669584, 6599024, 10879472, 25158779, 50317558, 100635116, 201270232, 402540464]

約数ペア:

[(1, 402540464), (2, 201270232), (4, 100635116), (8, 50317558), (16, 25158779), (37, 10879472), (61, 6599024), (71, 5669584), (74, 5439736), (122, 3299512), (142, 2834792), (148, 2719868), (157, 2563952), (244, 1649756), (284, 1417396), (296, 1359934), (314, 1281976), (488, 824878), (568, 708698), (592, 679967), (628, 640988), (976, 412439), (1136, 354349), (1256, 320494), (2257, 178352), (2512, 160247), (2627, 153232), (4331, 92944), (4514, 89176), (5254, 76616), (5809, 69296), (8662, 46472), (9028, 44588), (9577, 42032), (10508, 38308), (11147, 36112), (11618, 34648), (17324, 23236), (18056, 22294), (19154, 21016)]