210238280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:559

約数の個数: 128

約数和(自身を含む): 569825280

約数和(自身を除く): 359587000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 53, 56, 62, 70, 106, 124, 140, 155, 212, 217, 248, 265, 280, 310, 371, 424, 434, 457, 530, 620, 742, 868, 914, 1060, 1085, 1240, 1484, 1643, 1736, 1828, 1855, 2120, 2170, 2285, 2968, 3199, 3286, 3656, 3710, 4340, 4570, 6398, 6572, 7420, 8215, 8680, 9140, 11501, 12796, 13144, 14167, 14840, 15995, 16430, 18280, 23002, 24221, 25592, 28334, 31990, 32860, 46004, 48442, 56668, 57505, 63980, 65720, 70835, 92008, 96884, 99169, 113336, 115010, 121105, 127960, 141670, 169547, 193768, 198338, 230020, 242210, 283340, 339094, 396676, 460040, 484420, 495845, 566680, 678188, 750851, 793352, 847735, 968840, 991690, 1356376, 1501702, 1695470, 1983380, 3003404, 3390940, 3754255, 3966760, 5255957, 6006808, 6781880, 7508510, 10511914, 15017020, 21023828, 26279785, 30034040, 42047656, 52559570, 105119140, 210238280]

約数ペア:

[(1, 210238280), (2, 105119140), (4, 52559570), (5, 42047656), (7, 30034040), (8, 26279785), (10, 21023828), (14, 15017020), (20, 10511914), (28, 7508510), (31, 6781880), (35, 6006808), (40, 5255957), (53, 3966760), (56, 3754255), (62, 3390940), (70, 3003404), (106, 1983380), (124, 1695470), (140, 1501702), (155, 1356376), (212, 991690), (217, 968840), (248, 847735), (265, 793352), (280, 750851), (310, 678188), (371, 566680), (424, 495845), (434, 484420), (457, 460040), (530, 396676), (620, 339094), (742, 283340), (868, 242210), (914, 230020), (1060, 198338), (1085, 193768), (1240, 169547), (1484, 141670), (1643, 127960), (1736, 121105), (1828, 115010), (1855, 113336), (2120, 99169), (2170, 96884), (2285, 92008), (2968, 70835), (3199, 65720), (3286, 63980), (3656, 57505), (3710, 56668), (4340, 48442), (4570, 46004), (6398, 32860), (6572, 31990), (7420, 28334), (8215, 25592), (8680, 24221), (9140, 23002), (11501, 18280), (12796, 16430), (13144, 15995), (14167, 14840)]