201778980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258691}}^1$

素因数の和:258716

約数の個数: 48

約数和(自身を含む): 608443584

約数和(自身を除く): 406664604

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, 258691, 517382, 776073, 1034764, 1293455, 1552146, 2586910, 3104292, 3362983, 3880365, 5173820, 6725966, 7760730, 10088949, 13451932, 15521460, 16814915, 20177898, 33629830, 40355796, 50444745, 67259660, 100889490, 201778980]

約数ペア:

[(1, 201778980), (2, 100889490), (3, 67259660), (4, 50444745), (5, 40355796), (6, 33629830), (10, 20177898), (12, 16814915), (13, 15521460), (15, 13451932), (20, 10088949), (26, 7760730), (30, 6725966), (39, 5173820), (52, 3880365), (60, 3362983), (65, 3104292), (78, 2586910), (130, 1552146), (156, 1293455), (195, 1034764), (260, 776073), (390, 517382), (780, 258691)]