402201280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1026

約数の個数: 112

約数和(自身を含む): 1042050240

約数和(自身を除く): 639848960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 109, 130, 160, 208, 218, 260, 320, 416, 436, 520, 545, 832, 872, 887, 1040, 1090, 1417, 1744, 1774, 2080, 2180, 2834, 3488, 3548, 4160, 4360, 4435, 5668, 6976, 7085, 7096, 8720, 8870, 11336, 11531, 14170, 14192, 17440, 17740, 22672, 23062, 28340, 28384, 34880, 35480, 45344, 46124, 56680, 56768, 57655, 70960, 90688, 92248, 96683, 113360, 115310, 141920, 184496, 193366, 226720, 230620, 283840, 368992, 386732, 453440, 461240, 483415, 737984, 773464, 922480, 966830, 1256879, 1546928, 1844960, 1933660, 2513758, 3093856, 3689920, 3867320, 5027516, 6187712, 6284395, 7734640, 10055032, 12568790, 15469280, 20110064, 25137580, 30938560, 40220128, 50275160, 80440256, 100550320, 201100640, 402201280]

約数ペア:

[(1, 402201280), (2, 201100640), (4, 100550320), (5, 80440256), (8, 50275160), (10, 40220128), (13, 30938560), (16, 25137580), (20, 20110064), (26, 15469280), (32, 12568790), (40, 10055032), (52, 7734640), (64, 6284395), (65, 6187712), (80, 5027516), (104, 3867320), (109, 3689920), (130, 3093856), (160, 2513758), (208, 1933660), (218, 1844960), (260, 1546928), (320, 1256879), (416, 966830), (436, 922480), (520, 773464), (545, 737984), (832, 483415), (872, 461240), (887, 453440), (1040, 386732), (1090, 368992), (1417, 283840), (1744, 230620), (1774, 226720), (2080, 193366), (2180, 184496), (2834, 141920), (3488, 115310), (3548, 113360), (4160, 96683), (4360, 92248), (4435, 90688), (5668, 70960), (6976, 57655), (7085, 56768), (7096, 56680), (8720, 46124), (8870, 45344), (11336, 35480), (11531, 34880), (14170, 28384), (14192, 28340), (17440, 23062), (17740, 22672)]