103378840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 239112000

約数和(自身を除く): 135733160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 89, 142, 178, 284, 355, 356, 409, 445, 568, 710, 712, 818, 890, 1420, 1636, 1780, 2045, 2840, 3272, 3560, 4090, 6319, 8180, 12638, 16360, 25276, 29039, 31595, 36401, 50552, 58078, 63190, 72802, 116156, 126380, 145195, 145604, 182005, 232312, 252760, 290390, 291208, 364010, 580780, 728020, 1161560, 1456040, 2584471, 5168942, 10337884, 12922355, 20675768, 25844710, 51689420, 103378840]

約数ペア:

[(1, 103378840), (2, 51689420), (4, 25844710), (5, 20675768), (8, 12922355), (10, 10337884), (20, 5168942), (40, 2584471), (71, 1456040), (89, 1161560), (142, 728020), (178, 580780), (284, 364010), (355, 291208), (356, 290390), (409, 252760), (445, 232312), (568, 182005), (710, 145604), (712, 145195), (818, 126380), (890, 116156), (1420, 72802), (1636, 63190), (1780, 58078), (2045, 50552), (2840, 36401), (3272, 31595), (3560, 29039), (4090, 25276), (6319, 16360), (8180, 12638)]