210100020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8689}}^1$

素因数の和:8745

約数の個数: 96

約数和(自身を含む): 654044160

約数和(自身を除く): 443944140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 8689, 12090, 17378, 24180, 26067, 34756, 43445, 52134, 86890, 104268, 112957, 130335, 173780, 225914, 260670, 269359, 338871, 451828, 521340, 538718, 564785, 677742, 808077, 1077436, 1129570, 1346795, 1355484, 1616154, 1694355, 2259140, 2693590, 3232308, 3388710, 3501667, 4040385, 5387180, 6777420, 7003334, 8080770, 10505001, 14006668, 16161540, 17508335, 21010002, 35016670, 42020004, 52525005, 70033340, 105050010, 210100020]

約数ペア:

[(1, 210100020), (2, 105050010), (3, 70033340), (4, 52525005), (5, 42020004), (6, 35016670), (10, 21010002), (12, 17508335), (13, 16161540), (15, 14006668), (20, 10505001), (26, 8080770), (30, 7003334), (31, 6777420), (39, 5387180), (52, 4040385), (60, 3501667), (62, 3388710), (65, 3232308), (78, 2693590), (93, 2259140), (124, 1694355), (130, 1616154), (155, 1355484), (156, 1346795), (186, 1129570), (195, 1077436), (260, 808077), (310, 677742), (372, 564785), (390, 538718), (403, 521340), (465, 451828), (620, 338871), (780, 269359), (806, 260670), (930, 225914), (1209, 173780), (1612, 130335), (1860, 112957), (2015, 104268), (2418, 86890), (4030, 52134), (4836, 43445), (6045, 34756), (8060, 26067), (8689, 24180), (12090, 17378)]