212499420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:928

約数の個数: 192

約数和(自身を含む): 739737600

約数和(自身を除く): 527238180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 31, 35, 38, 42, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 124, 133, 140, 155, 186, 190, 210, 217, 228, 266, 285, 310, 372, 380, 399, 420, 434, 465, 532, 570, 589, 620, 651, 665, 798, 859, 868, 930, 1085, 1140, 1178, 1302, 1330, 1596, 1718, 1767, 1860, 1995, 2170, 2356, 2577, 2604, 2660, 2945, 3255, 3436, 3534, 3990, 4123, 4295, 4340, 5154, 5890, 6013, 6510, 7068, 7980, 8246, 8590, 8835, 10308, 11780, 12026, 12369, 12885, 13020, 16321, 16492, 17180, 17670, 18039, 20615, 24052, 24738, 25770, 26629, 30065, 32642, 35340, 36078, 41230, 48963, 49476, 51540, 53258, 60130, 61845, 65284, 72156, 79887, 81605, 82460, 90195, 97926, 106516, 114247, 120260, 123690, 133145, 159774, 163210, 180390, 186403, 195852, 228494, 244815, 247380, 266290, 319548, 326420, 342741, 360780, 372806, 399435, 456988, 489630, 505951, 532580, 559209, 571235, 685482, 745612, 798870, 932015, 979260, 1011902, 1118418, 1142470, 1370964, 1517853, 1597740, 1713705, 1864030, 2023804, 2236836, 2284940, 2529755, 2796045, 3035706, 3427410, 3541657, 3728060, 5059510, 5592090, 6071412, 6854820, 7083314, 7589265, 10119020, 10624971, 11184180, 14166628, 15178530, 17708285, 21249942, 30357060, 35416570, 42499884, 53124855, 70833140, 106249710, 212499420]

約数ペア:

[(1, 212499420), (2, 106249710), (3, 70833140), (4, 53124855), (5, 42499884), (6, 35416570), (7, 30357060), (10, 21249942), (12, 17708285), (14, 15178530), (15, 14166628), (19, 11184180), (20, 10624971), (21, 10119020), (28, 7589265), (30, 7083314), (31, 6854820), (35, 6071412), (38, 5592090), (42, 5059510), (57, 3728060), (60, 3541657), (62, 3427410), (70, 3035706), (76, 2796045), (84, 2529755), (93, 2284940), (95, 2236836), (105, 2023804), (114, 1864030), (124, 1713705), (133, 1597740), (140, 1517853), (155, 1370964), (186, 1142470), (190, 1118418), (210, 1011902), (217, 979260), (228, 932015), (266, 798870), (285, 745612), (310, 685482), (372, 571235), (380, 559209), (399, 532580), (420, 505951), (434, 489630), (465, 456988), (532, 399435), (570, 372806), (589, 360780), (620, 342741), (651, 326420), (665, 319548), (798, 266290), (859, 247380), (868, 244815), (930, 228494), (1085, 195852), (1140, 186403), (1178, 180390), (1302, 163210), (1330, 159774), (1596, 133145), (1718, 123690), (1767, 120260), (1860, 114247), (1995, 106516), (2170, 97926), (2356, 90195), (2577, 82460), (2604, 81605), (2660, 79887), (2945, 72156), (3255, 65284), (3436, 61845), (3534, 60130), (3990, 53258), (4123, 51540), (4295, 49476), (4340, 48963), (5154, 41230), (5890, 36078), (6013, 35340), (6510, 32642), (7068, 30065), (7980, 26629), (8246, 25770), (8590, 24738), (8835, 24052), (10308, 20615), (11780, 18039), (12026, 17670), (12369, 17180), (12885, 16492), (13020, 16321)]