208645190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2325

約数の個数: 64

約数和(自身を含む): 435843072

約数和(自身を除く): 227197882

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 115, 130, 155, 230, 299, 310, 403, 598, 713, 806, 1426, 1495, 2015, 2251, 2990, 3565, 4030, 4502, 7130, 9269, 11255, 18538, 22510, 29263, 46345, 51773, 58526, 69781, 92690, 103546, 139562, 146315, 258865, 292630, 348905, 517730, 673049, 697810, 907153, 1346098, 1604963, 1814306, 3209926, 3365245, 4535765, 6730490, 8024815, 9071530, 16049630, 20864519, 41729038, 104322595, 208645190]

約数ペア:

[(1, 208645190), (2, 104322595), (5, 41729038), (10, 20864519), (13, 16049630), (23, 9071530), (26, 8024815), (31, 6730490), (46, 4535765), (62, 3365245), (65, 3209926), (115, 1814306), (130, 1604963), (155, 1346098), (230, 907153), (299, 697810), (310, 673049), (403, 517730), (598, 348905), (713, 292630), (806, 258865), (1426, 146315), (1495, 139562), (2015, 103546), (2251, 92690), (2990, 69781), (3565, 58526), (4030, 51773), (4502, 46345), (7130, 29263), (9269, 22510), (11255, 18538)]