4920240020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{214483}}^1$

素因数の和:214560

約数の個数: 48

約数和(自身を含む): 10954126848

約数和(自身を除く): 6033886828

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 4588, 5735, 11470, 22940, 214483, 428966, 857932, 1072415, 2144830, 4289660, 6648973, 7935871, 13297946, 15871742, 26595892, 31743484, 33244865, 39679355, 66489730, 79358710, 132979460, 158717420, 246012001, 492024002, 984048004, 1230060005, 2460120010, 4920240020]

約数ペア:

[(1, 4920240020), (2, 2460120010), (4, 1230060005), (5, 984048004), (10, 492024002), (20, 246012001), (31, 158717420), (37, 132979460), (62, 79358710), (74, 66489730), (124, 39679355), (148, 33244865), (155, 31743484), (185, 26595892), (310, 15871742), (370, 13297946), (620, 7935871), (740, 6648973), (1147, 4289660), (2294, 2144830), (4588, 1072415), (5735, 857932), (11470, 428966), (22940, 214483)]