403782980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{4621}}^1$

素因数の和:4904

約数の個数: 48

約数和(自身を含む): 901511856

約数和(自身を除く): 497728876

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 257, 340, 514, 1028, 1285, 2570, 4369, 4621, 5140, 8738, 9242, 17476, 18484, 21845, 23105, 43690, 46210, 78557, 87380, 92420, 157114, 314228, 392785, 785570, 1187597, 1571140, 2375194, 4750388, 5937985, 11875970, 20189149, 23751940, 40378298, 80756596, 100945745, 201891490, 403782980]

約数ペア:

[(1, 403782980), (2, 201891490), (4, 100945745), (5, 80756596), (10, 40378298), (17, 23751940), (20, 20189149), (34, 11875970), (68, 5937985), (85, 4750388), (170, 2375194), (257, 1571140), (340, 1187597), (514, 785570), (1028, 392785), (1285, 314228), (2570, 157114), (4369, 92420), (4621, 87380), (5140, 78557), (8738, 46210), (9242, 43690), (17476, 23105), (18484, 21845)]