29128460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 63104832

約数和(自身を除く): 33976372

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 281, 284, 292, 355, 365, 562, 710, 730, 1124, 1405, 1420, 1460, 2810, 5183, 5620, 10366, 19951, 20513, 20732, 25915, 39902, 41026, 51830, 79804, 82052, 99755, 102565, 103660, 199510, 205130, 399020, 410260, 1456423, 2912846, 5825692, 7282115, 14564230, 29128460]

約数ペア:

[(1, 29128460), (2, 14564230), (4, 7282115), (5, 5825692), (10, 2912846), (20, 1456423), (71, 410260), (73, 399020), (142, 205130), (146, 199510), (281, 103660), (284, 102565), (292, 99755), (355, 82052), (365, 79804), (562, 51830), (710, 41026), (730, 39902), (1124, 25915), (1405, 20732), (1420, 20513), (1460, 19951), (2810, 10366), (5183, 5620)]