390549380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{51797}}^1$

素因数の和:51848

約数の個数: 48

約数和(自身を含む): 913716720

約数和(自身を除く): 523167340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 51797, 103594, 207188, 258985, 517970, 673361, 1035940, 1346722, 1502113, 2693444, 3004226, 3366805, 6008452, 6733610, 7510565, 13467220, 15021130, 19527469, 30042260, 39054938, 78109876, 97637345, 195274690, 390549380]

約数ペア:

[(1, 390549380), (2, 195274690), (4, 97637345), (5, 78109876), (10, 39054938), (13, 30042260), (20, 19527469), (26, 15021130), (29, 13467220), (52, 7510565), (58, 6733610), (65, 6008452), (116, 3366805), (130, 3004226), (145, 2693444), (260, 1502113), (290, 1346722), (377, 1035940), (580, 673361), (754, 517970), (1508, 258985), (1885, 207188), (3770, 103594), (7540, 51797)]