212173000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:912

約数の個数: 128

約数和(自身を含む): 563472000

約数和(自身を除く): 351299000

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 125, 130, 152, 190, 200, 247, 250, 260, 325, 380, 475, 494, 500, 520, 650, 760, 859, 950, 988, 1000, 1235, 1300, 1625, 1718, 1900, 1976, 2375, 2470, 2600, 3250, 3436, 3800, 4295, 4750, 4940, 6175, 6500, 6872, 8590, 9500, 9880, 11167, 12350, 13000, 16321, 17180, 19000, 21475, 22334, 24700, 30875, 32642, 34360, 42950, 44668, 49400, 55835, 61750, 65284, 81605, 85900, 89336, 107375, 111670, 123500, 130568, 163210, 171800, 212173, 214750, 223340, 247000, 279175, 326420, 408025, 424346, 429500, 446680, 558350, 652840, 816050, 848692, 859000, 1060865, 1116700, 1395875, 1632100, 1697384, 2040125, 2121730, 2233400, 2791750, 3264200, 4080250, 4243460, 5304325, 5583500, 8160500, 8486920, 10608650, 11167000, 16321000, 21217300, 26521625, 42434600, 53043250, 106086500, 212173000]

約数ペア:

[(1, 212173000), (2, 106086500), (4, 53043250), (5, 42434600), (8, 26521625), (10, 21217300), (13, 16321000), (19, 11167000), (20, 10608650), (25, 8486920), (26, 8160500), (38, 5583500), (40, 5304325), (50, 4243460), (52, 4080250), (65, 3264200), (76, 2791750), (95, 2233400), (100, 2121730), (104, 2040125), (125, 1697384), (130, 1632100), (152, 1395875), (190, 1116700), (200, 1060865), (247, 859000), (250, 848692), (260, 816050), (325, 652840), (380, 558350), (475, 446680), (494, 429500), (500, 424346), (520, 408025), (650, 326420), (760, 279175), (859, 247000), (950, 223340), (988, 214750), (1000, 212173), (1235, 171800), (1300, 163210), (1625, 130568), (1718, 123500), (1900, 111670), (1976, 107375), (2375, 89336), (2470, 85900), (2600, 81605), (3250, 65284), (3436, 61750), (3800, 55835), (4295, 49400), (4750, 44668), (4940, 42950), (6175, 34360), (6500, 32642), (6872, 30875), (8590, 24700), (9500, 22334), (9880, 21475), (11167, 19000), (12350, 17180), (13000, 16321)]