419220725

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 673269408

約数和(自身を除く): 254048683

約数列:

[1, 5, 7, 11, 25, 35, 49, 53, 55, 77, 175, 245, 265, 275, 371, 385, 539, 583, 587, 1225, 1325, 1855, 1925, 2597, 2695, 2915, 2935, 4081, 4109, 6457, 9275, 12985, 13475, 14575, 14675, 20405, 20545, 28567, 28763, 31111, 32285, 45199, 64925, 102025, 102725, 142835, 143815, 155555, 161425, 217777, 225995, 316393, 342221, 714175, 719075, 777775, 1088885, 1129975, 1524439, 1581965, 1711105, 2395547, 5444425, 7622195, 7909825, 8555525, 11977735, 16768829, 38110975, 59888675, 83844145, 419220725]

約数ペア:

[(1, 419220725), (5, 83844145), (7, 59888675), (11, 38110975), (25, 16768829), (35, 11977735), (49, 8555525), (53, 7909825), (55, 7622195), (77, 5444425), (175, 2395547), (245, 1711105), (265, 1581965), (275, 1524439), (371, 1129975), (385, 1088885), (539, 777775), (583, 719075), (587, 714175), (1225, 342221), (1325, 316393), (1855, 225995), (1925, 217777), (2597, 161425), (2695, 155555), (2915, 143815), (2935, 142835), (4081, 102725), (4109, 102025), (6457, 64925), (9275, 45199), (12985, 32285), (13475, 31111), (14575, 28763), (14675, 28567), (20405, 20545)]