30691540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2287}}^1$

素因数の和:2368

約数の個数: 48

約数和(自身を含む): 71495424

約数和(自身を除く): 40803884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2287, 2684, 3355, 4574, 6710, 9148, 11435, 13420, 22870, 25157, 45740, 50314, 100628, 125785, 139507, 251570, 279014, 503140, 558028, 697535, 1395070, 1534577, 2790140, 3069154, 6138308, 7672885, 15345770, 30691540]

約数ペア:

[(1, 30691540), (2, 15345770), (4, 7672885), (5, 6138308), (10, 3069154), (11, 2790140), (20, 1534577), (22, 1395070), (44, 697535), (55, 558028), (61, 503140), (110, 279014), (122, 251570), (220, 139507), (244, 125785), (305, 100628), (610, 50314), (671, 45740), (1220, 25157), (1342, 22870), (2287, 13420), (2684, 11435), (3355, 9148), (4574, 6710)]