289300780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{2341}}^1$

素因数の和:2554

約数の個数: 48

約数和(自身を含む): 627955776

約数和(自身を除く): 338654996

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 167, 185, 334, 370, 668, 740, 835, 1670, 2341, 3340, 4682, 6179, 9364, 11705, 12358, 23410, 24716, 30895, 46820, 61790, 86617, 123580, 173234, 346468, 390947, 433085, 781894, 866170, 1563788, 1732340, 1954735, 3909470, 7818940, 14465039, 28930078, 57860156, 72325195, 144650390, 289300780]

約数ペア:

[(1, 289300780), (2, 144650390), (4, 72325195), (5, 57860156), (10, 28930078), (20, 14465039), (37, 7818940), (74, 3909470), (148, 1954735), (167, 1732340), (185, 1563788), (334, 866170), (370, 781894), (668, 433085), (740, 390947), (835, 346468), (1670, 173234), (2341, 123580), (3340, 86617), (4682, 61790), (6179, 46820), (9364, 30895), (11705, 24716), (12358, 23410)]