193918920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{631}}^1$

素因数の和:855

約数の個数: 128

約数和(自身を含む): 630685440

約数和(自身を除く): 436766520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 197, 260, 312, 390, 394, 520, 591, 631, 780, 788, 985, 1182, 1262, 1560, 1576, 1893, 1970, 2364, 2524, 2561, 2955, 3155, 3786, 3940, 4728, 5048, 5122, 5910, 6310, 7572, 7683, 7880, 8203, 9465, 10244, 11820, 12620, 12805, 15144, 15366, 16406, 18930, 20488, 23640, 24609, 25240, 25610, 30732, 32812, 37860, 38415, 41015, 49218, 51220, 61464, 65624, 75720, 76830, 82030, 98436, 102440, 123045, 124307, 153660, 164060, 196872, 246090, 248614, 307320, 328120, 372921, 492180, 497228, 621535, 745842, 984360, 994456, 1243070, 1491684, 1615991, 1864605, 2486140, 2983368, 3231982, 3729210, 4847973, 4972280, 6463964, 7458420, 8079955, 9695946, 12927928, 14916840, 16159910, 19391892, 24239865, 32319820, 38783784, 48479730, 64639640, 96959460, 193918920]

約数ペア:

[(1, 193918920), (2, 96959460), (3, 64639640), (4, 48479730), (5, 38783784), (6, 32319820), (8, 24239865), (10, 19391892), (12, 16159910), (13, 14916840), (15, 12927928), (20, 9695946), (24, 8079955), (26, 7458420), (30, 6463964), (39, 4972280), (40, 4847973), (52, 3729210), (60, 3231982), (65, 2983368), (78, 2486140), (104, 1864605), (120, 1615991), (130, 1491684), (156, 1243070), (195, 994456), (197, 984360), (260, 745842), (312, 621535), (390, 497228), (394, 492180), (520, 372921), (591, 328120), (631, 307320), (780, 248614), (788, 246090), (985, 196872), (1182, 164060), (1262, 153660), (1560, 124307), (1576, 123045), (1893, 102440), (1970, 98436), (2364, 82030), (2524, 76830), (2561, 75720), (2955, 65624), (3155, 61464), (3786, 51220), (3940, 49218), (4728, 41015), (5048, 38415), (5122, 37860), (5910, 32812), (6310, 30732), (7572, 25610), (7683, 25240), (7880, 24609), (8203, 23640), (9465, 20488), (10244, 18930), (11820, 16406), (12620, 15366), (12805, 15144)]