249429320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12203}}^1$

素因数の和:12294

約数の個数: 64

約数和(自身を含む): 650229120

約数和(自身を除く): 400799800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 12203, 20440, 24406, 48812, 61015, 85421, 97624, 122030, 170842, 244060, 341684, 427105, 488120, 683368, 854210, 890819, 1708420, 1781638, 3416840, 3563276, 4454095, 6235733, 7126552, 8908190, 12471466, 17816380, 24942932, 31178665, 35632760, 49885864, 62357330, 124714660, 249429320]

約数ペア:

[(1, 249429320), (2, 124714660), (4, 62357330), (5, 49885864), (7, 35632760), (8, 31178665), (10, 24942932), (14, 17816380), (20, 12471466), (28, 8908190), (35, 7126552), (40, 6235733), (56, 4454095), (70, 3563276), (73, 3416840), (140, 1781638), (146, 1708420), (280, 890819), (292, 854210), (365, 683368), (511, 488120), (584, 427105), (730, 341684), (1022, 244060), (1460, 170842), (2044, 122030), (2555, 97624), (2920, 85421), (4088, 61015), (5110, 48812), (10220, 24406), (12203, 20440)]