189562520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21839}}^1$

素因数の和:21888

約数の個数: 64

約数和(自身を含む): 503193600

約数和(自身を除く): 313631080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 21839, 43678, 87356, 109195, 152873, 174712, 218390, 305746, 436780, 611492, 677009, 764365, 873560, 1222984, 1354018, 1528730, 2708036, 3057460, 3385045, 4739063, 5416072, 6114920, 6770090, 9478126, 13540180, 18956252, 23695315, 27080360, 37912504, 47390630, 94781260, 189562520]

約数ペア:

[(1, 189562520), (2, 94781260), (4, 47390630), (5, 37912504), (7, 27080360), (8, 23695315), (10, 18956252), (14, 13540180), (20, 9478126), (28, 6770090), (31, 6114920), (35, 5416072), (40, 4739063), (56, 3385045), (62, 3057460), (70, 2708036), (124, 1528730), (140, 1354018), (155, 1222984), (217, 873560), (248, 764365), (280, 677009), (310, 611492), (434, 436780), (620, 305746), (868, 218390), (1085, 174712), (1240, 152873), (1736, 109195), (2170, 87356), (4340, 43678), (8680, 21839)]