203467940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12829}}^1$

素因数の和:12912

約数の個数: 48

約数和(自身を含む): 467730480

約数和(自身を除く): 264262540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 12829, 15860, 25658, 51316, 64145, 128290, 166777, 256580, 333554, 667108, 782569, 833885, 1565138, 1667770, 3130276, 3335540, 3912845, 7825690, 10173397, 15651380, 20346794, 40693588, 50866985, 101733970, 203467940]

約数ペア:

[(1, 203467940), (2, 101733970), (4, 50866985), (5, 40693588), (10, 20346794), (13, 15651380), (20, 10173397), (26, 7825690), (52, 3912845), (61, 3335540), (65, 3130276), (122, 1667770), (130, 1565138), (244, 833885), (260, 782569), (305, 667108), (610, 333554), (793, 256580), (1220, 166777), (1586, 128290), (3172, 64145), (3965, 51316), (7930, 25658), (12829, 15860)]