79957220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{983}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 197878464

約数和(自身を除く): 117921244

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, 830, 980, 983, 1162, 1660, 1966, 2324, 2905, 3932, 4067, 4915, 5810, 6881, 8134, 9830, 11620, 13762, 16268, 19660, 20335, 27524, 34405, 40670, 48167, 68810, 81340, 81589, 96334, 137620, 163178, 192668, 240835, 326356, 407945, 481670, 571123, 815890, 963340, 1142246, 1631780, 2284492, 2855615, 3997861, 5711230, 7995722, 11422460, 15991444, 19989305, 39978610, 79957220]

約数ペア:

[(1, 79957220), (2, 39978610), (4, 19989305), (5, 15991444), (7, 11422460), (10, 7995722), (14, 5711230), (20, 3997861), (28, 2855615), (35, 2284492), (49, 1631780), (70, 1142246), (83, 963340), (98, 815890), (140, 571123), (166, 481670), (196, 407945), (245, 326356), (332, 240835), (415, 192668), (490, 163178), (581, 137620), (830, 96334), (980, 81589), (983, 81340), (1162, 68810), (1660, 48167), (1966, 40670), (2324, 34405), (2905, 27524), (3932, 20335), (4067, 19660), (4915, 16268), (5810, 13762), (6881, 11620), (8134, 9830)]