677936920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{3517}}^1$

素因数の和:3668

約数の個数: 64

約数和(自身を含む): 1570435200

約数和(自身を除く): 892498280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 79, 122, 158, 244, 305, 316, 395, 488, 610, 632, 790, 1220, 1580, 2440, 3160, 3517, 4819, 7034, 9638, 14068, 17585, 19276, 24095, 28136, 35170, 38552, 48190, 70340, 96380, 140680, 192760, 214537, 277843, 429074, 555686, 858148, 1072685, 1111372, 1389215, 1716296, 2145370, 2222744, 2778430, 4290740, 5556860, 8581480, 11113720, 16948423, 33896846, 67793692, 84742115, 135587384, 169484230, 338968460, 677936920]

約数ペア:

[(1, 677936920), (2, 338968460), (4, 169484230), (5, 135587384), (8, 84742115), (10, 67793692), (20, 33896846), (40, 16948423), (61, 11113720), (79, 8581480), (122, 5556860), (158, 4290740), (244, 2778430), (305, 2222744), (316, 2145370), (395, 1716296), (488, 1389215), (610, 1111372), (632, 1072685), (790, 858148), (1220, 555686), (1580, 429074), (2440, 277843), (3160, 214537), (3517, 192760), (4819, 140680), (7034, 96380), (9638, 70340), (14068, 48190), (17585, 38552), (19276, 35170), (24095, 28136)]