319872800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30757}}^1$

素因数の和:30790

約数の個数: 72

約数和(自身を含む): 840985236

約数和(自身を除く): 521112436

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 30757, 61514, 123028, 153785, 246056, 307570, 399841, 492112, 615140, 768925, 799682, 984224, 1230280, 1537850, 1599364, 1999205, 2460560, 3075700, 3198728, 3998410, 4921120, 6151400, 6397456, 7996820, 9996025, 12302800, 12794912, 15993640, 19992050, 24605600, 31987280, 39984100, 63974560, 79968200, 159936400, 319872800]

約数ペア:

[(1, 319872800), (2, 159936400), (4, 79968200), (5, 63974560), (8, 39984100), (10, 31987280), (13, 24605600), (16, 19992050), (20, 15993640), (25, 12794912), (26, 12302800), (32, 9996025), (40, 7996820), (50, 6397456), (52, 6151400), (65, 4921120), (80, 3998410), (100, 3198728), (104, 3075700), (130, 2460560), (160, 1999205), (200, 1599364), (208, 1537850), (260, 1230280), (325, 984224), (400, 799682), (416, 768925), (520, 615140), (650, 492112), (800, 399841), (1040, 307570), (1300, 246056), (2080, 153785), (2600, 123028), (5200, 61514), (10400, 30757)]