2165800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:60

約数の個数: 144

約数和(自身を含む): 6679260

約数和(自身を除く): 4513460

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 25, 26, 28, 34, 35, 40, 49, 50, 52, 56, 65, 68, 70, 85, 91, 98, 100, 104, 119, 130, 136, 140, 170, 175, 182, 196, 200, 221, 238, 245, 260, 280, 325, 340, 350, 364, 392, 425, 442, 455, 476, 490, 520, 595, 637, 650, 680, 700, 728, 833, 850, 884, 910, 952, 980, 1105, 1190, 1225, 1274, 1300, 1400, 1547, 1666, 1700, 1768, 1820, 1960, 2210, 2275, 2380, 2450, 2548, 2600, 2975, 3094, 3185, 3332, 3400, 3640, 4165, 4420, 4550, 4760, 4900, 5096, 5525, 5950, 6188, 6370, 6664, 7735, 8330, 8840, 9100, 9800, 10829, 11050, 11900, 12376, 12740, 15470, 15925, 16660, 18200, 20825, 21658, 22100, 23800, 25480, 30940, 31850, 33320, 38675, 41650, 43316, 44200, 54145, 61880, 63700, 77350, 83300, 86632, 108290, 127400, 154700, 166600, 216580, 270725, 309400, 433160, 541450, 1082900, 2165800]

約数ペア:

[(1, 2165800), (2, 1082900), (4, 541450), (5, 433160), (7, 309400), (8, 270725), (10, 216580), (13, 166600), (14, 154700), (17, 127400), (20, 108290), (25, 86632), (26, 83300), (28, 77350), (34, 63700), (35, 61880), (40, 54145), (49, 44200), (50, 43316), (52, 41650), (56, 38675), (65, 33320), (68, 31850), (70, 30940), (85, 25480), (91, 23800), (98, 22100), (100, 21658), (104, 20825), (119, 18200), (130, 16660), (136, 15925), (140, 15470), (170, 12740), (175, 12376), (182, 11900), (196, 11050), (200, 10829), (221, 9800), (238, 9100), (245, 8840), (260, 8330), (280, 7735), (325, 6664), (340, 6370), (350, 6188), (364, 5950), (392, 5525), (425, 5096), (442, 4900), (455, 4760), (476, 4550), (490, 4420), (520, 4165), (595, 3640), (637, 3400), (650, 3332), (680, 3185), (700, 3094), (728, 2975), (833, 2600), (850, 2548), (884, 2450), (910, 2380), (952, 2275), (980, 2210), (1105, 1960), (1190, 1820), (1225, 1768), (1274, 1700), (1300, 1666), (1400, 1547)]