210147721900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{640499}}^1$

素因数の和:640723

約数の個数: 72

約数和(自身を含む): 485347842000

約数和(自身を除く): 275200120100

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 193, 340, 386, 425, 772, 850, 965, 1700, 1930, 3281, 3860, 4825, 6562, 9650, 13124, 16405, 19300, 32810, 65620, 82025, 164050, 328100, 640499, 1280998, 2561996, 3202495, 6404990, 10888483, 12809980, 16012475, 21776966, 32024950, 43553932, 54442415, 64049900, 108884830, 123616307, 217769660, 247232614, 272212075, 494465228, 544424150, 618081535, 1088848300, 1236163070, 2101477219, 2472326140, 3090407675, 4202954438, 6180815350, 8405908876, 10507386095, 12361630700, 21014772190, 42029544380, 52536930475, 105073860950, 210147721900]

約数ペア:

[(1, 210147721900), (2, 105073860950), (4, 52536930475), (5, 42029544380), (10, 21014772190), (17, 12361630700), (20, 10507386095), (25, 8405908876), (34, 6180815350), (50, 4202954438), (68, 3090407675), (85, 2472326140), (100, 2101477219), (170, 1236163070), (193, 1088848300), (340, 618081535), (386, 544424150), (425, 494465228), (772, 272212075), (850, 247232614), (965, 217769660), (1700, 123616307), (1930, 108884830), (3281, 64049900), (3860, 54442415), (4825, 43553932), (6562, 32024950), (9650, 21776966), (13124, 16012475), (16405, 12809980), (19300, 10888483), (32810, 6404990), (65620, 3202495), (82025, 2561996), (164050, 1280998), (328100, 640499)]