643133800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:212

約数の個数: 192

約数和(自身を含む): 1670518080

約数和(自身を除く): 1027384280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 43, 50, 53, 68, 83, 85, 86, 100, 106, 136, 166, 170, 172, 200, 212, 215, 265, 332, 340, 344, 415, 424, 425, 430, 530, 664, 680, 731, 830, 850, 860, 901, 1060, 1075, 1325, 1411, 1462, 1660, 1700, 1720, 1802, 2075, 2120, 2150, 2279, 2650, 2822, 2924, 3320, 3400, 3569, 3604, 3655, 4150, 4300, 4399, 4505, 4558, 5300, 5644, 5848, 7055, 7138, 7208, 7310, 8300, 8600, 8798, 9010, 9116, 10600, 11288, 11395, 14110, 14276, 14620, 16600, 17596, 17845, 18020, 18232, 18275, 21995, 22525, 22790, 28220, 28552, 29240, 35192, 35275, 35690, 36040, 36550, 38743, 43990, 45050, 45580, 56440, 56975, 60673, 70550, 71380, 73100, 74783, 77486, 87980, 89225, 90100, 91160, 109975, 113950, 121346, 141100, 142760, 146200, 149566, 154972, 175960, 178450, 180200, 189157, 193715, 219950, 227900, 242692, 282200, 299132, 303365, 309944, 356900, 373915, 378314, 387430, 439900, 455800, 485384, 598264, 606730, 713800, 747830, 756628, 774860, 879800, 945785, 968575, 1213460, 1495660, 1513256, 1516825, 1549720, 1869575, 1891570, 1937150, 2426920, 2991320, 3033650, 3215669, 3739150, 3783140, 3874300, 4728925, 6067300, 6431338, 7478300, 7566280, 7748600, 9457850, 12134600, 12862676, 14956600, 16078345, 18915700, 25725352, 32156690, 37831400, 64313380, 80391725, 128626760, 160783450, 321566900, 643133800]

約数ペア:

[(1, 643133800), (2, 321566900), (4, 160783450), (5, 128626760), (8, 80391725), (10, 64313380), (17, 37831400), (20, 32156690), (25, 25725352), (34, 18915700), (40, 16078345), (43, 14956600), (50, 12862676), (53, 12134600), (68, 9457850), (83, 7748600), (85, 7566280), (86, 7478300), (100, 6431338), (106, 6067300), (136, 4728925), (166, 3874300), (170, 3783140), (172, 3739150), (200, 3215669), (212, 3033650), (215, 2991320), (265, 2426920), (332, 1937150), (340, 1891570), (344, 1869575), (415, 1549720), (424, 1516825), (425, 1513256), (430, 1495660), (530, 1213460), (664, 968575), (680, 945785), (731, 879800), (830, 774860), (850, 756628), (860, 747830), (901, 713800), (1060, 606730), (1075, 598264), (1325, 485384), (1411, 455800), (1462, 439900), (1660, 387430), (1700, 378314), (1720, 373915), (1802, 356900), (2075, 309944), (2120, 303365), (2150, 299132), (2279, 282200), (2650, 242692), (2822, 227900), (2924, 219950), (3320, 193715), (3400, 189157), (3569, 180200), (3604, 178450), (3655, 175960), (4150, 154972), (4300, 149566), (4399, 146200), (4505, 142760), (4558, 141100), (5300, 121346), (5644, 113950), (5848, 109975), (7055, 91160), (7138, 90100), (7208, 89225), (7310, 87980), (8300, 77486), (8600, 74783), (8798, 73100), (9010, 71380), (9116, 70550), (10600, 60673), (11288, 56975), (11395, 56440), (14110, 45580), (14276, 45050), (14620, 43990), (16600, 38743), (17596, 36550), (17845, 36040), (18020, 35690), (18232, 35275), (18275, 35192), (21995, 29240), (22525, 28552), (22790, 28220)]