289584880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{21419}}^1$

素因数の和:21458

約数の個数: 60

約数和(自身を含む): 729093960

約数和(自身を除く): 439509080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 21419, 42838, 85676, 107095, 171352, 214190, 278447, 342704, 428380, 556894, 856760, 1113788, 1392235, 1713520, 2227576, 2784470, 3619811, 4455152, 5568940, 7239622, 11137880, 14479244, 18099055, 22275760, 28958488, 36198110, 57916976, 72396220, 144792440, 289584880]

約数ペア:

[(1, 289584880), (2, 144792440), (4, 72396220), (5, 57916976), (8, 36198110), (10, 28958488), (13, 22275760), (16, 18099055), (20, 14479244), (26, 11137880), (40, 7239622), (52, 5568940), (65, 4455152), (80, 3619811), (104, 2784470), (130, 2227576), (169, 1713520), (208, 1392235), (260, 1113788), (338, 856760), (520, 556894), (676, 428380), (845, 342704), (1040, 278447), (1352, 214190), (1690, 171352), (2704, 107095), (3380, 85676), (6760, 42838), (13520, 21419)]