870820070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1109}}^1$

素因数の和:1313

約数の個数: 64

約数和(自身を含む): 1726272000

約数和(自身を除く): 855451930

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 149, 155, 170, 298, 310, 527, 745, 1054, 1109, 1490, 2218, 2533, 2635, 4619, 5066, 5270, 5545, 9238, 11090, 12665, 18853, 23095, 25330, 34379, 37706, 46190, 68758, 78523, 94265, 157046, 165241, 171895, 188530, 330482, 343790, 392615, 584443, 785230, 826205, 1168886, 1652410, 2809097, 2922215, 5122471, 5618194, 5844430, 10244942, 14045485, 25612355, 28090970, 51224710, 87082007, 174164014, 435410035, 870820070]

約数ペア:

[(1, 870820070), (2, 435410035), (5, 174164014), (10, 87082007), (17, 51224710), (31, 28090970), (34, 25612355), (62, 14045485), (85, 10244942), (149, 5844430), (155, 5618194), (170, 5122471), (298, 2922215), (310, 2809097), (527, 1652410), (745, 1168886), (1054, 826205), (1109, 785230), (1490, 584443), (2218, 392615), (2533, 343790), (2635, 330482), (4619, 188530), (5066, 171895), (5270, 165241), (5545, 157046), (9238, 94265), (11090, 78523), (12665, 68758), (18853, 46190), (23095, 37706), (25330, 34379)]