156615350

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 298346976

約数和(自身を除く): 141731626

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 157, 281, 314, 355, 562, 710, 785, 1405, 1570, 1775, 2810, 3550, 3925, 7025, 7850, 11147, 14050, 19951, 22294, 39902, 44117, 55735, 88234, 99755, 111470, 199510, 220585, 278675, 441170, 498775, 557350, 997550, 1102925, 2205850, 3132307, 6264614, 15661535, 31323070, 78307675, 156615350]

約数ペア:

[(1, 156615350), (2, 78307675), (5, 31323070), (10, 15661535), (25, 6264614), (50, 3132307), (71, 2205850), (142, 1102925), (157, 997550), (281, 557350), (314, 498775), (355, 441170), (562, 278675), (710, 220585), (785, 199510), (1405, 111470), (1570, 99755), (1775, 88234), (2810, 55735), (3550, 44117), (3925, 39902), (7025, 22294), (7850, 19951), (11147, 14050)]