378865880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3433}}^1$

素因数の和:3564

約数の個数: 64

約数和(自身を含む): 890092800

約数和(自身を除く): 511226920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 178, 248, 310, 356, 445, 620, 712, 890, 1240, 1780, 2759, 3433, 3560, 5518, 6866, 11036, 13732, 13795, 17165, 22072, 27464, 27590, 34330, 55180, 68660, 106423, 110360, 137320, 212846, 305537, 425692, 532115, 611074, 851384, 1064230, 1222148, 1527685, 2128460, 2444296, 3055370, 4256920, 6110740, 9471647, 12221480, 18943294, 37886588, 47358235, 75773176, 94716470, 189432940, 378865880]

約数ペア:

[(1, 378865880), (2, 189432940), (4, 94716470), (5, 75773176), (8, 47358235), (10, 37886588), (20, 18943294), (31, 12221480), (40, 9471647), (62, 6110740), (89, 4256920), (124, 3055370), (155, 2444296), (178, 2128460), (248, 1527685), (310, 1222148), (356, 1064230), (445, 851384), (620, 611074), (712, 532115), (890, 425692), (1240, 305537), (1780, 212846), (2759, 137320), (3433, 110360), (3560, 106423), (5518, 68660), (6866, 55180), (11036, 34330), (13732, 27590), (13795, 27464), (17165, 22072)]