420102925

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{1229}}^1$

素因数の和:1374

約数の個数: 36

約数和(自身を含む): 578127060

約数和(自身を除く): 158024135

約数列:

[1, 5, 11, 25, 55, 113, 121, 275, 565, 605, 1229, 1243, 2825, 3025, 6145, 6215, 13519, 13673, 30725, 31075, 67595, 68365, 138877, 148709, 337975, 341825, 694385, 743545, 1527647, 3471925, 3717725, 7638235, 16804117, 38191175, 84020585, 420102925]

約数ペア:

[(1, 420102925), (5, 84020585), (11, 38191175), (25, 16804117), (55, 7638235), (113, 3717725), (121, 3471925), (275, 1527647), (565, 743545), (605, 694385), (1229, 341825), (1243, 337975), (2825, 148709), (3025, 138877), (6145, 68365), (6215, 67595), (13519, 31075), (13673, 30725)]