203910200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{78427}}^1$

素因数の和:78456

約数の個数: 48

約数和(自身を含む): 510566280

約数和(自身を除く): 306656080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 78427, 156854, 313708, 392135, 627416, 784270, 1019551, 1568540, 1960675, 2039102, 3137080, 3921350, 4078204, 5097755, 7842700, 8156408, 10195510, 15685400, 20391020, 25488775, 40782040, 50977550, 101955100, 203910200]

約数ペア:

[(1, 203910200), (2, 101955100), (4, 50977550), (5, 40782040), (8, 25488775), (10, 20391020), (13, 15685400), (20, 10195510), (25, 8156408), (26, 7842700), (40, 5097755), (50, 4078204), (52, 3921350), (65, 3137080), (100, 2039102), (104, 1960675), (130, 1568540), (200, 1019551), (260, 784270), (325, 627416), (520, 392135), (650, 313708), (1300, 156854), (2600, 78427)]