918558520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67343}}^1$

素因数の和:67396

約数の個数: 64

約数和(自身を含む): 2327408640

約数和(自身を除く): 1408850120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 67343, 134686, 269372, 336715, 538744, 673430, 740773, 1346860, 1481546, 2087633, 2693720, 2963092, 3703865, 4175266, 5926184, 7407730, 8350532, 10438165, 14815460, 16701064, 20876330, 22963963, 29630920, 41752660, 45927926, 83505320, 91855852, 114819815, 183711704, 229639630, 459279260, 918558520]

約数ペア:

[(1, 918558520), (2, 459279260), (4, 229639630), (5, 183711704), (8, 114819815), (10, 91855852), (11, 83505320), (20, 45927926), (22, 41752660), (31, 29630920), (40, 22963963), (44, 20876330), (55, 16701064), (62, 14815460), (88, 10438165), (110, 8350532), (124, 7407730), (155, 5926184), (220, 4175266), (248, 3703865), (310, 2963092), (341, 2693720), (440, 2087633), (620, 1481546), (682, 1346860), (1240, 740773), (1364, 673430), (1705, 538744), (2728, 336715), (3410, 269372), (6820, 134686), (13640, 67343)]