90021800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 192

約数和(自身を含む): 253108800

約数和(自身を除く): 163087000

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 25, 29, 34, 40, 44, 50, 55, 58, 68, 83, 85, 88, 100, 110, 116, 136, 145, 166, 170, 187, 200, 220, 232, 275, 290, 319, 332, 340, 374, 415, 425, 440, 493, 550, 580, 638, 664, 680, 725, 748, 830, 850, 913, 935, 986, 1100, 1160, 1276, 1411, 1450, 1496, 1595, 1660, 1700, 1826, 1870, 1972, 2075, 2200, 2407, 2465, 2552, 2822, 2900, 3190, 3320, 3400, 3652, 3740, 3944, 4150, 4565, 4675, 4814, 4930, 5423, 5644, 5800, 6380, 7055, 7304, 7480, 7975, 8300, 9130, 9350, 9628, 9860, 10846, 11288, 12035, 12325, 12760, 14110, 15521, 15950, 16600, 18260, 18700, 19256, 19720, 21692, 22825, 24070, 24650, 26477, 27115, 28220, 31042, 31900, 35275, 36520, 37400, 40919, 43384, 45650, 48140, 49300, 52954, 54230, 56440, 60175, 62084, 63800, 70550, 77605, 81838, 91300, 96280, 98600, 105908, 108460, 120350, 124168, 132385, 135575, 141100, 155210, 163676, 182600, 204595, 211816, 216920, 240700, 264770, 271150, 282200, 310420, 327352, 388025, 409190, 450109, 481400, 529540, 542300, 620840, 661925, 776050, 818380, 900218, 1022975, 1059080, 1084600, 1323850, 1552100, 1636760, 1800436, 2045950, 2250545, 2647700, 3104200, 3600872, 4091900, 4501090, 5295400, 8183800, 9002180, 11252725, 18004360, 22505450, 45010900, 90021800]

約数ペア:

[(1, 90021800), (2, 45010900), (4, 22505450), (5, 18004360), (8, 11252725), (10, 9002180), (11, 8183800), (17, 5295400), (20, 4501090), (22, 4091900), (25, 3600872), (29, 3104200), (34, 2647700), (40, 2250545), (44, 2045950), (50, 1800436), (55, 1636760), (58, 1552100), (68, 1323850), (83, 1084600), (85, 1059080), (88, 1022975), (100, 900218), (110, 818380), (116, 776050), (136, 661925), (145, 620840), (166, 542300), (170, 529540), (187, 481400), (200, 450109), (220, 409190), (232, 388025), (275, 327352), (290, 310420), (319, 282200), (332, 271150), (340, 264770), (374, 240700), (415, 216920), (425, 211816), (440, 204595), (493, 182600), (550, 163676), (580, 155210), (638, 141100), (664, 135575), (680, 132385), (725, 124168), (748, 120350), (830, 108460), (850, 105908), (913, 98600), (935, 96280), (986, 91300), (1100, 81838), (1160, 77605), (1276, 70550), (1411, 63800), (1450, 62084), (1496, 60175), (1595, 56440), (1660, 54230), (1700, 52954), (1826, 49300), (1870, 48140), (1972, 45650), (2075, 43384), (2200, 40919), (2407, 37400), (2465, 36520), (2552, 35275), (2822, 31900), (2900, 31042), (3190, 28220), (3320, 27115), (3400, 26477), (3652, 24650), (3740, 24070), (3944, 22825), (4150, 21692), (4565, 19720), (4675, 19256), (4814, 18700), (4930, 18260), (5423, 16600), (5644, 15950), (5800, 15521), (6380, 14110), (7055, 12760), (7304, 12325), (7480, 12035), (7975, 11288), (8300, 10846), (9130, 9860), (9350, 9628)]