489659840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90011}}^1$

素因数の和:90045

約数の個数: 56

約数和(自身を含む): 1234604592

約数和(自身を除く): 744944752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 90011, 180022, 360044, 450055, 720088, 900110, 1440176, 1530187, 1800220, 2880352, 3060374, 3600440, 5760704, 6120748, 7200880, 7650935, 12241496, 14401760, 15301870, 24482992, 28803520, 30603740, 48965984, 61207480, 97931968, 122414960, 244829920, 489659840]

約数ペア:

[(1, 489659840), (2, 244829920), (4, 122414960), (5, 97931968), (8, 61207480), (10, 48965984), (16, 30603740), (17, 28803520), (20, 24482992), (32, 15301870), (34, 14401760), (40, 12241496), (64, 7650935), (68, 7200880), (80, 6120748), (85, 5760704), (136, 3600440), (160, 3060374), (170, 2880352), (272, 1800220), (320, 1530187), (340, 1440176), (544, 900110), (680, 720088), (1088, 450055), (1360, 360044), (2720, 180022), (5440, 90011)]