1987540980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1743457}}^1$

素因数の和:1743488

約数の個数: 48

約数和(自身を含む): 5858018880

約数和(自身を除く): 3870477900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 1743457, 3486914, 5230371, 6973828, 8717285, 10460742, 17434570, 20921484, 26151855, 33125683, 34869140, 52303710, 66251366, 99377049, 104607420, 132502732, 165628415, 198754098, 331256830, 397508196, 496885245, 662513660, 993770490, 1987540980]

約数ペア:

[(1, 1987540980), (2, 993770490), (3, 662513660), (4, 496885245), (5, 397508196), (6, 331256830), (10, 198754098), (12, 165628415), (15, 132502732), (19, 104607420), (20, 99377049), (30, 66251366), (38, 52303710), (57, 34869140), (60, 33125683), (76, 26151855), (95, 20921484), (114, 17434570), (190, 10460742), (228, 8717285), (285, 6973828), (380, 5230371), (570, 3486914), (1140, 1743457)]