64285550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1426

約数の個数: 72

約数和(自身を含む): 146519640

約数和(自身を除く): 82234090

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 49, 50, 70, 95, 98, 133, 175, 190, 245, 266, 350, 475, 490, 665, 931, 950, 1225, 1330, 1381, 1862, 2450, 2762, 3325, 4655, 6650, 6905, 9310, 9667, 13810, 19334, 23275, 26239, 34525, 46550, 48335, 52478, 67669, 69050, 96670, 131195, 135338, 183673, 241675, 262390, 338345, 367346, 483350, 655975, 676690, 918365, 1285711, 1311950, 1691725, 1836730, 2571422, 3383450, 4591825, 6428555, 9183650, 12857110, 32142775, 64285550]

約数ペア:

[(1, 64285550), (2, 32142775), (5, 12857110), (7, 9183650), (10, 6428555), (14, 4591825), (19, 3383450), (25, 2571422), (35, 1836730), (38, 1691725), (49, 1311950), (50, 1285711), (70, 918365), (95, 676690), (98, 655975), (133, 483350), (175, 367346), (190, 338345), (245, 262390), (266, 241675), (350, 183673), (475, 135338), (490, 131195), (665, 96670), (931, 69050), (950, 67669), (1225, 52478), (1330, 48335), (1381, 46550), (1862, 34525), (2450, 26239), (2762, 23275), (3325, 19334), (4655, 13810), (6650, 9667), (6905, 9310)]