291269420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{8821}}^1$

素因数の和:8970

約数の個数: 48

約数和(自身を含む): 663979008

約数和(自身を除く): 372709588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6604, 8255, 8821, 16510, 17642, 33020, 35284, 44105, 88210, 114673, 176420, 229346, 458692, 573365, 1120267, 1146730, 2240534, 2293460, 4481068, 5601335, 11202670, 14563471, 22405340, 29126942, 58253884, 72817355, 145634710, 291269420]

約数ペア:

[(1, 291269420), (2, 145634710), (4, 72817355), (5, 58253884), (10, 29126942), (13, 22405340), (20, 14563471), (26, 11202670), (52, 5601335), (65, 4481068), (127, 2293460), (130, 2240534), (254, 1146730), (260, 1120267), (508, 573365), (635, 458692), (1270, 229346), (1651, 176420), (2540, 114673), (3302, 88210), (6604, 44105), (8255, 35284), (8821, 33020), (16510, 17642)]