2161044940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1\times {\mathrm{9967}}^1$

素因数の和:10306

約数の個数: 48

約数和(自身を含む): 4677224832

約数和(自身を除く): 2516179892

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 293, 370, 586, 740, 1172, 1465, 2930, 5860, 9967, 10841, 19934, 21682, 39868, 43364, 49835, 54205, 99670, 108410, 199340, 216820, 368779, 737558, 1475116, 1843895, 2920331, 3687790, 5840662, 7375580, 11681324, 14601655, 29203310, 58406620, 108052247, 216104494, 432208988, 540261235, 1080522470, 2161044940]

約数ペア:

[(1, 2161044940), (2, 1080522470), (4, 540261235), (5, 432208988), (10, 216104494), (20, 108052247), (37, 58406620), (74, 29203310), (148, 14601655), (185, 11681324), (293, 7375580), (370, 5840662), (586, 3687790), (740, 2920331), (1172, 1843895), (1465, 1475116), (2930, 737558), (5860, 368779), (9967, 216820), (10841, 199340), (19934, 108410), (21682, 99670), (39868, 54205), (43364, 49835)]