850980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 2568384

約数和(自身を除く): 1717404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1091, 2182, 3273, 4364, 5455, 6546, 10910, 13092, 14183, 16365, 21820, 28366, 32730, 42549, 56732, 65460, 70915, 85098, 141830, 170196, 212745, 283660, 425490, 850980]

約数ペア:

[(1, 850980), (2, 425490), (3, 283660), (4, 212745), (5, 170196), (6, 141830), (10, 85098), (12, 70915), (13, 65460), (15, 56732), (20, 42549), (26, 32730), (30, 28366), (39, 21820), (52, 16365), (60, 14183), (65, 13092), (78, 10910), (130, 6546), (156, 5455), (195, 4364), (260, 3273), (390, 2182), (780, 1091)]