157400740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2633}}^1$

素因数の和:2717

約数の個数: 72

約数和(自身を含む): 390959352

約数和(自身を除く): 233558612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 980, 1220, 1708, 2135, 2633, 2989, 4270, 5266, 5978, 8540, 10532, 11956, 13165, 14945, 18431, 26330, 29890, 36862, 52660, 59780, 73724, 92155, 129017, 160613, 184310, 258034, 321226, 368620, 516068, 642452, 645085, 803065, 1124291, 1290170, 1606130, 2248582, 2580340, 3212260, 4497164, 5621455, 7870037, 11242910, 15740074, 22485820, 31480148, 39350185, 78700370, 157400740]

約数ペア:

[(1, 157400740), (2, 78700370), (4, 39350185), (5, 31480148), (7, 22485820), (10, 15740074), (14, 11242910), (20, 7870037), (28, 5621455), (35, 4497164), (49, 3212260), (61, 2580340), (70, 2248582), (98, 1606130), (122, 1290170), (140, 1124291), (196, 803065), (244, 645085), (245, 642452), (305, 516068), (427, 368620), (490, 321226), (610, 258034), (854, 184310), (980, 160613), (1220, 129017), (1708, 92155), (2135, 73724), (2633, 59780), (2989, 52660), (4270, 36862), (5266, 29890), (5978, 26330), (8540, 18431), (10532, 14945), (11956, 13165)]