291223140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373363}}^1$

素因数の和:373388

約数の個数: 48

約数和(自身を含む): 878152128

約数和(自身を除く): 586928988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 373363, 746726, 1120089, 1493452, 1866815, 2240178, 3733630, 4480356, 4853719, 5600445, 7467260, 9707438, 11200890, 14561157, 19414876, 22401780, 24268595, 29122314, 48537190, 58244628, 72805785, 97074380, 145611570, 291223140]

約数ペア:

[(1, 291223140), (2, 145611570), (3, 97074380), (4, 72805785), (5, 58244628), (6, 48537190), (10, 29122314), (12, 24268595), (13, 22401780), (15, 19414876), (20, 14561157), (26, 11200890), (30, 9707438), (39, 7467260), (52, 5600445), (60, 4853719), (65, 4480356), (78, 3733630), (130, 2240178), (156, 1866815), (195, 1493452), (260, 1120089), (390, 746726), (780, 373363)]