28201740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:911

約数の個数: 96

約数和(自身を含む): 91445760

約数和(自身を除く): 63244020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 581, 809, 830, 996, 1162, 1245, 1618, 1660, 1743, 2324, 2427, 2490, 2905, 3236, 3486, 4045, 4854, 4980, 5663, 5810, 6972, 8090, 8715, 9708, 11326, 11620, 12135, 16180, 16989, 17430, 22652, 24270, 28315, 33978, 34860, 48540, 56630, 67147, 67956, 84945, 113260, 134294, 169890, 201441, 268588, 335735, 339780, 402882, 470029, 671470, 805764, 940058, 1007205, 1342940, 1410087, 1880116, 2014410, 2350145, 2820174, 4028820, 4700290, 5640348, 7050435, 9400580, 14100870, 28201740]

約数ペア:

[(1, 28201740), (2, 14100870), (3, 9400580), (4, 7050435), (5, 5640348), (6, 4700290), (7, 4028820), (10, 2820174), (12, 2350145), (14, 2014410), (15, 1880116), (20, 1410087), (21, 1342940), (28, 1007205), (30, 940058), (35, 805764), (42, 671470), (60, 470029), (70, 402882), (83, 339780), (84, 335735), (105, 268588), (140, 201441), (166, 169890), (210, 134294), (249, 113260), (332, 84945), (415, 67956), (420, 67147), (498, 56630), (581, 48540), (809, 34860), (830, 33978), (996, 28315), (1162, 24270), (1245, 22652), (1618, 17430), (1660, 16989), (1743, 16180), (2324, 12135), (2427, 11620), (2490, 11326), (2905, 9708), (3236, 8715), (3486, 8090), (4045, 6972), (4854, 5810), (4980, 5663)]