628590040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{883}}^1$

素因数の和:981

約数の個数: 96

約数和(自身を含む): 1567172880

約数和(自身を除く): 938582840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 883, 962, 1369, 1480, 1766, 1924, 2405, 2738, 3532, 3848, 4415, 4810, 5476, 6845, 7064, 8830, 9620, 10952, 11479, 13690, 17660, 17797, 19240, 22958, 27380, 32671, 35320, 35594, 45916, 54760, 57395, 65342, 71188, 88985, 91832, 114790, 130684, 142376, 163355, 177970, 229580, 261368, 326710, 355940, 424723, 459160, 653420, 711880, 849446, 1208827, 1306840, 1698892, 2123615, 2417654, 3397784, 4247230, 4835308, 6044135, 8494460, 9670616, 12088270, 15714751, 16988920, 24176540, 31429502, 48353080, 62859004, 78573755, 125718008, 157147510, 314295020, 628590040]

約数ペア:

[(1, 628590040), (2, 314295020), (4, 157147510), (5, 125718008), (8, 78573755), (10, 62859004), (13, 48353080), (20, 31429502), (26, 24176540), (37, 16988920), (40, 15714751), (52, 12088270), (65, 9670616), (74, 8494460), (104, 6044135), (130, 4835308), (148, 4247230), (185, 3397784), (260, 2417654), (296, 2123615), (370, 1698892), (481, 1306840), (520, 1208827), (740, 849446), (883, 711880), (962, 653420), (1369, 459160), (1480, 424723), (1766, 355940), (1924, 326710), (2405, 261368), (2738, 229580), (3532, 177970), (3848, 163355), (4415, 142376), (4810, 130684), (5476, 114790), (6845, 91832), (7064, 88985), (8830, 71188), (9620, 65342), (10952, 57395), (11479, 54760), (13690, 45916), (17660, 35594), (17797, 35320), (19240, 32671), (22958, 27380)]