539460760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{991}}^1$

素因数の和:1472

約数の個数: 64

約数和(自身を含む): 1257062400

約数和(自身を除く): 717601640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 439, 620, 878, 991, 1240, 1756, 1982, 2195, 3512, 3964, 4390, 4955, 7928, 8780, 9910, 13609, 17560, 19820, 27218, 30721, 39640, 54436, 61442, 68045, 108872, 122884, 136090, 153605, 245768, 272180, 307210, 435049, 544360, 614420, 870098, 1228840, 1740196, 2175245, 3480392, 4350490, 8700980, 13486519, 17401960, 26973038, 53946076, 67432595, 107892152, 134865190, 269730380, 539460760]

約数ペア:

[(1, 539460760), (2, 269730380), (4, 134865190), (5, 107892152), (8, 67432595), (10, 53946076), (20, 26973038), (31, 17401960), (40, 13486519), (62, 8700980), (124, 4350490), (155, 3480392), (248, 2175245), (310, 1740196), (439, 1228840), (620, 870098), (878, 614420), (991, 544360), (1240, 435049), (1756, 307210), (1982, 272180), (2195, 245768), (3512, 153605), (3964, 136090), (4390, 122884), (4955, 108872), (7928, 68045), (8780, 61442), (9910, 54436), (13609, 39640), (17560, 30721), (19820, 27218)]