99173920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 264417048

約数和(自身を除く): 165243128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 101, 136, 152, 160, 170, 190, 202, 272, 304, 323, 340, 361, 380, 404, 505, 544, 608, 646, 680, 722, 760, 808, 1010, 1292, 1360, 1444, 1520, 1615, 1616, 1717, 1805, 1919, 2020, 2584, 2720, 2888, 3040, 3230, 3232, 3434, 3610, 3838, 4040, 5168, 5776, 6137, 6460, 6868, 7220, 7676, 8080, 8585, 9595, 10336, 11552, 12274, 12920, 13736, 14440, 15352, 16160, 17170, 19190, 24548, 25840, 27472, 28880, 30685, 30704, 32623, 34340, 36461, 38380, 49096, 51680, 54944, 57760, 61370, 61408, 65246, 68680, 72922, 76760, 98192, 122740, 130492, 137360, 145844, 153520, 163115, 182305, 196384, 245480, 260984, 274720, 291688, 307040, 326230, 364610, 490960, 521968, 583376, 619837, 652460, 729220, 981920, 1043936, 1166752, 1239674, 1304920, 1458440, 2479348, 2609840, 2916880, 3099185, 4958696, 5219680, 5833760, 6198370, 9917392, 12396740, 19834784, 24793480, 49586960, 99173920]

約数ペア:

[(1, 99173920), (2, 49586960), (4, 24793480), (5, 19834784), (8, 12396740), (10, 9917392), (16, 6198370), (17, 5833760), (19, 5219680), (20, 4958696), (32, 3099185), (34, 2916880), (38, 2609840), (40, 2479348), (68, 1458440), (76, 1304920), (80, 1239674), (85, 1166752), (95, 1043936), (101, 981920), (136, 729220), (152, 652460), (160, 619837), (170, 583376), (190, 521968), (202, 490960), (272, 364610), (304, 326230), (323, 307040), (340, 291688), (361, 274720), (380, 260984), (404, 245480), (505, 196384), (544, 182305), (608, 163115), (646, 153520), (680, 145844), (722, 137360), (760, 130492), (808, 122740), (1010, 98192), (1292, 76760), (1360, 72922), (1444, 68680), (1520, 65246), (1615, 61408), (1616, 61370), (1717, 57760), (1805, 54944), (1919, 51680), (2020, 49096), (2584, 38380), (2720, 36461), (2888, 34340), (3040, 32623), (3230, 30704), (3232, 30685), (3434, 28880), (3610, 27472), (3838, 25840), (4040, 24548), (5168, 19190), (5776, 17170), (6137, 16160), (6460, 15352), (6868, 14440), (7220, 13736), (7676, 12920), (8080, 12274), (8585, 11552), (9595, 10336)]