2219460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 6314112

約数和(自身を除く): 4094652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 521, 710, 852, 1042, 1065, 1420, 1563, 2084, 2130, 2605, 3126, 4260, 5210, 6252, 7815, 10420, 15630, 31260, 36991, 73982, 110973, 147964, 184955, 221946, 369910, 443892, 554865, 739820, 1109730, 2219460]

約数ペア:

[(1, 2219460), (2, 1109730), (3, 739820), (4, 554865), (5, 443892), (6, 369910), (10, 221946), (12, 184955), (15, 147964), (20, 110973), (30, 73982), (60, 36991), (71, 31260), (142, 15630), (213, 10420), (284, 7815), (355, 6252), (426, 5210), (521, 4260), (710, 3126), (852, 2605), (1042, 2130), (1065, 2084), (1420, 1563)]