619990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 1353024

約数和(自身を除く): 733034

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 521, 595, 1042, 1190, 2605, 3647, 5210, 7294, 8857, 17714, 18235, 36470, 44285, 61999, 88570, 123998, 309995, 619990]

約数ペア:

[(1, 619990), (2, 309995), (5, 123998), (7, 88570), (10, 61999), (14, 44285), (17, 36470), (34, 18235), (35, 17714), (70, 8857), (85, 7294), (119, 5210), (170, 3647), (238, 2605), (521, 1190), (595, 1042)]