689300

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 36

約数和(自身を含む): 1533756

約数和(自身を除く): 844456

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 113, 122, 226, 244, 305, 452, 565, 610, 1130, 1220, 1525, 2260, 2825, 3050, 5650, 6100, 6893, 11300, 13786, 27572, 34465, 68930, 137860, 172325, 344650, 689300]

約数ペア:

[(1, 689300), (2, 344650), (4, 172325), (5, 137860), (10, 68930), (20, 34465), (25, 27572), (50, 13786), (61, 11300), (100, 6893), (113, 6100), (122, 5650), (226, 3050), (244, 2825), (305, 2260), (452, 1525), (565, 1220), (610, 1130)]