217188660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{21419}}^1$

素因数の和:21457

約数の個数: 72

約数和(自身を含む): 658536480

約数和(自身を除く): 441347820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 21419, 42838, 64257, 85676, 107095, 128514, 214190, 257028, 278447, 321285, 428380, 556894, 642570, 835341, 1113788, 1285140, 1392235, 1670682, 2784470, 3341364, 3619811, 4176705, 5568940, 7239622, 8353410, 10859433, 14479244, 16706820, 18099055, 21718866, 36198110, 43437732, 54297165, 72396220, 108594330, 217188660]

約数ペア:

[(1, 217188660), (2, 108594330), (3, 72396220), (4, 54297165), (5, 43437732), (6, 36198110), (10, 21718866), (12, 18099055), (13, 16706820), (15, 14479244), (20, 10859433), (26, 8353410), (30, 7239622), (39, 5568940), (52, 4176705), (60, 3619811), (65, 3341364), (78, 2784470), (130, 1670682), (156, 1392235), (169, 1285140), (195, 1113788), (260, 835341), (338, 642570), (390, 556894), (507, 428380), (676, 321285), (780, 278447), (845, 257028), (1014, 214190), (1690, 128514), (2028, 107095), (2535, 85676), (3380, 64257), (5070, 42838), (10140, 21419)]