51325540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 127092672

約数和(自身を除く): 75767132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 415, 490, 581, 631, 830, 980, 1162, 1262, 1660, 2324, 2524, 2905, 3155, 4067, 4417, 5810, 6310, 8134, 8834, 11620, 12620, 16268, 17668, 20335, 22085, 30919, 40670, 44170, 52373, 61838, 81340, 88340, 104746, 123676, 154595, 209492, 261865, 309190, 366611, 523730, 618380, 733222, 1047460, 1466444, 1833055, 2566277, 3666110, 5132554, 7332220, 10265108, 12831385, 25662770, 51325540]

約数ペア:

[(1, 51325540), (2, 25662770), (4, 12831385), (5, 10265108), (7, 7332220), (10, 5132554), (14, 3666110), (20, 2566277), (28, 1833055), (35, 1466444), (49, 1047460), (70, 733222), (83, 618380), (98, 523730), (140, 366611), (166, 309190), (196, 261865), (245, 209492), (332, 154595), (415, 123676), (490, 104746), (581, 88340), (631, 81340), (830, 61838), (980, 52373), (1162, 44170), (1262, 40670), (1660, 30919), (2324, 22085), (2524, 20335), (2905, 17668), (3155, 16268), (4067, 12620), (4417, 11620), (5810, 8834), (6310, 8134)]