153940325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{379}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 239746560

約数和(自身を除く): 85806235

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 211, 275, 379, 385, 1055, 1477, 1895, 1925, 2321, 2653, 4169, 5275, 7385, 9475, 11605, 13265, 16247, 20845, 29183, 36925, 58025, 66325, 79969, 81235, 104225, 145915, 399845, 406175, 559783, 729575, 879659, 1999225, 2798915, 4398295, 6157613, 13994575, 21991475, 30788065, 153940325]

約数ペア:

[(1, 153940325), (5, 30788065), (7, 21991475), (11, 13994575), (25, 6157613), (35, 4398295), (55, 2798915), (77, 1999225), (175, 879659), (211, 729575), (275, 559783), (379, 406175), (385, 399845), (1055, 145915), (1477, 104225), (1895, 81235), (1925, 79969), (2321, 66325), (2653, 58025), (4169, 36925), (5275, 29183), (7385, 20845), (9475, 16247), (11605, 13265)]