491355900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3391}}^1$

素因数の和:3441

約数の個数: 216

約数和(自身を含む): 1837215744

約数和(自身を除く): 1345859844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 25, 28, 30, 35, 36, 42, 45, 46, 50, 60, 63, 69, 70, 75, 84, 90, 92, 100, 105, 115, 126, 138, 140, 150, 161, 175, 180, 207, 210, 225, 230, 252, 276, 300, 315, 322, 345, 350, 414, 420, 450, 460, 483, 525, 575, 630, 644, 690, 700, 805, 828, 900, 966, 1035, 1050, 1150, 1260, 1380, 1449, 1575, 1610, 1725, 1932, 2070, 2100, 2300, 2415, 2898, 3150, 3220, 3391, 3450, 4025, 4140, 4830, 5175, 5796, 6300, 6782, 6900, 7245, 8050, 9660, 10173, 10350, 12075, 13564, 14490, 16100, 16955, 20346, 20700, 23737, 24150, 28980, 30519, 33910, 36225, 40692, 47474, 48300, 50865, 61038, 67820, 71211, 72450, 77993, 84775, 94948, 101730, 118685, 122076, 142422, 144900, 152595, 155986, 169550, 203460, 213633, 233979, 237370, 254325, 284844, 305190, 311972, 339100, 356055, 389965, 427266, 467958, 474740, 508650, 545951, 593425, 610380, 701937, 712110, 762975, 779930, 854532, 935916, 1017300, 1068165, 1091902, 1169895, 1186850, 1403874, 1424220, 1525950, 1559860, 1637853, 1780275, 1949825, 2136330, 2183804, 2339790, 2373700, 2729755, 2807748, 3051900, 3275706, 3509685, 3560550, 3899650, 4272660, 4679580, 4913559, 5340825, 5459510, 5849475, 6551412, 7019370, 7121100, 7799300, 8189265, 9827118, 10681650, 10919020, 11698950, 13648775, 14038740, 16378530, 17548425, 19654236, 21363300, 23397900, 24567795, 27297550, 32757060, 35096850, 40946325, 49135590, 54595100, 70193700, 81892650, 98271180, 122838975, 163785300, 245677950, 491355900]

約数ペア:

[(1, 491355900), (2, 245677950), (3, 163785300), (4, 122838975), (5, 98271180), (6, 81892650), (7, 70193700), (9, 54595100), (10, 49135590), (12, 40946325), (14, 35096850), (15, 32757060), (18, 27297550), (20, 24567795), (21, 23397900), (23, 21363300), (25, 19654236), (28, 17548425), (30, 16378530), (35, 14038740), (36, 13648775), (42, 11698950), (45, 10919020), (46, 10681650), (50, 9827118), (60, 8189265), (63, 7799300), (69, 7121100), (70, 7019370), (75, 6551412), (84, 5849475), (90, 5459510), (92, 5340825), (100, 4913559), (105, 4679580), (115, 4272660), (126, 3899650), (138, 3560550), (140, 3509685), (150, 3275706), (161, 3051900), (175, 2807748), (180, 2729755), (207, 2373700), (210, 2339790), (225, 2183804), (230, 2136330), (252, 1949825), (276, 1780275), (300, 1637853), (315, 1559860), (322, 1525950), (345, 1424220), (350, 1403874), (414, 1186850), (420, 1169895), (450, 1091902), (460, 1068165), (483, 1017300), (525, 935916), (575, 854532), (630, 779930), (644, 762975), (690, 712110), (700, 701937), (805, 610380), (828, 593425), (900, 545951), (966, 508650), (1035, 474740), (1050, 467958), (1150, 427266), (1260, 389965), (1380, 356055), (1449, 339100), (1575, 311972), (1610, 305190), (1725, 284844), (1932, 254325), (2070, 237370), (2100, 233979), (2300, 213633), (2415, 203460), (2898, 169550), (3150, 155986), (3220, 152595), (3391, 144900), (3450, 142422), (4025, 122076), (4140, 118685), (4830, 101730), (5175, 94948), (5796, 84775), (6300, 77993), (6782, 72450), (6900, 71211), (7245, 67820), (8050, 61038), (9660, 50865), (10173, 48300), (10350, 47474), (12075, 40692), (13564, 36225), (14490, 33910), (16100, 30519), (16955, 28980), (20346, 24150), (20700, 23737)]