511940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 1270080

約数和(自身を除く): 758140

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 179, 220, 260, 286, 358, 572, 715, 716, 895, 1430, 1790, 1969, 2327, 2860, 3580, 3938, 4654, 7876, 9308, 9845, 11635, 19690, 23270, 25597, 39380, 46540, 51194, 102388, 127985, 255970, 511940]

約数ペア:

[(1, 511940), (2, 255970), (4, 127985), (5, 102388), (10, 51194), (11, 46540), (13, 39380), (20, 25597), (22, 23270), (26, 19690), (44, 11635), (52, 9845), (55, 9308), (65, 7876), (110, 4654), (130, 3938), (143, 3580), (179, 2860), (220, 2327), (260, 1969), (286, 1790), (358, 1430), (572, 895), (715, 716)]