280199080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1699}}^1$

素因数の和:1767

約数の個数: 128

約数和(自身を含む): 783360000

約数和(自身を除く): 503160920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 532, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1330, 1699, 1736, 2170, 2356, 2660, 2945, 3398, 4123, 4340, 4712, 5320, 5890, 6796, 8246, 8495, 8680, 11780, 11893, 13592, 16492, 16990, 20615, 23560, 23786, 32281, 32984, 33980, 41230, 47572, 52669, 59465, 64562, 67960, 82460, 95144, 105338, 118930, 129124, 161405, 164920, 210676, 225967, 237860, 258248, 263345, 322810, 368683, 421352, 451934, 475720, 526690, 645620, 737366, 903868, 1000711, 1053380, 1129835, 1291240, 1474732, 1807736, 1843415, 2001422, 2106760, 2259670, 2949464, 3686830, 4002844, 4519340, 5003555, 7004977, 7373660, 8005688, 9038680, 10007110, 14009954, 14747320, 20014220, 28019908, 35024885, 40028440, 56039816, 70049770, 140099540, 280199080]

約数ペア:

[(1, 280199080), (2, 140099540), (4, 70049770), (5, 56039816), (7, 40028440), (8, 35024885), (10, 28019908), (14, 20014220), (19, 14747320), (20, 14009954), (28, 10007110), (31, 9038680), (35, 8005688), (38, 7373660), (40, 7004977), (56, 5003555), (62, 4519340), (70, 4002844), (76, 3686830), (95, 2949464), (124, 2259670), (133, 2106760), (140, 2001422), (152, 1843415), (155, 1807736), (190, 1474732), (217, 1291240), (248, 1129835), (266, 1053380), (280, 1000711), (310, 903868), (380, 737366), (434, 645620), (532, 526690), (589, 475720), (620, 451934), (665, 421352), (760, 368683), (868, 322810), (1064, 263345), (1085, 258248), (1178, 237860), (1240, 225967), (1330, 210676), (1699, 164920), (1736, 161405), (2170, 129124), (2356, 118930), (2660, 105338), (2945, 95144), (3398, 82460), (4123, 67960), (4340, 64562), (4712, 59465), (5320, 52669), (5890, 47572), (6796, 41230), (8246, 33980), (8495, 32984), (8680, 32281), (11780, 23786), (11893, 23560), (13592, 20615), (16492, 16990)]