420020200325

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{307}}^1\times {\mathrm{452279}}^1$

素因数の和:452618

約数の個数: 36

約数和(自身を含む): 574343135520

約数和(自身を除く): 154322935195

約数列:

[1, 5, 11, 25, 55, 121, 275, 307, 605, 1535, 3025, 3377, 7675, 16885, 37147, 84425, 185735, 452279, 928675, 2261395, 4975069, 11306975, 24875345, 54725759, 124376725, 138849653, 273628795, 694248265, 1368143975, 1527346183, 3471241325, 7636730915, 16800808013, 38183654575, 84004040065, 420020200325]

約数ペア:

[(1, 420020200325), (5, 84004040065), (11, 38183654575), (25, 16800808013), (55, 7636730915), (121, 3471241325), (275, 1527346183), (307, 1368143975), (605, 694248265), (1535, 273628795), (3025, 138849653), (3377, 124376725), (7675, 54725759), (16885, 24875345), (37147, 11306975), (84425, 4975069), (185735, 2261395), (452279, 928675)]