7403990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 15225840

約数和(自身を除く): 7821850

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 121, 145, 211, 242, 290, 319, 422, 605, 638, 1055, 1210, 1595, 2110, 2321, 3190, 3509, 4642, 6119, 7018, 11605, 12238, 17545, 23210, 25531, 30595, 35090, 51062, 61190, 67309, 127655, 134618, 255310, 336545, 673090, 740399, 1480798, 3701995, 7403990]

約数ペア:

[(1, 7403990), (2, 3701995), (5, 1480798), (10, 740399), (11, 673090), (22, 336545), (29, 255310), (55, 134618), (58, 127655), (110, 67309), (121, 61190), (145, 51062), (211, 35090), (242, 30595), (290, 25531), (319, 23210), (422, 17545), (605, 12238), (638, 11605), (1055, 7018), (1210, 6119), (1595, 4642), (2110, 3509), (2321, 3190)]