145579940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1399}}^1$

素因数の和:1473

約数の個数: 72

約数和(自身を含む): 344097600

約数和(自身を除く): 198517660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 430, 473, 484, 605, 860, 946, 1210, 1399, 1892, 2365, 2420, 2798, 4730, 5203, 5596, 6995, 9460, 10406, 13990, 15389, 20812, 26015, 27980, 30778, 52030, 60157, 61556, 76945, 104060, 120314, 153890, 169279, 240628, 300785, 307780, 338558, 601570, 661727, 677116, 846395, 1203140, 1323454, 1692790, 2646908, 3308635, 3385580, 6617270, 7278997, 13234540, 14557994, 29115988, 36394985, 72789970, 145579940]

約数ペア:

[(1, 145579940), (2, 72789970), (4, 36394985), (5, 29115988), (10, 14557994), (11, 13234540), (20, 7278997), (22, 6617270), (43, 3385580), (44, 3308635), (55, 2646908), (86, 1692790), (110, 1323454), (121, 1203140), (172, 846395), (215, 677116), (220, 661727), (242, 601570), (430, 338558), (473, 307780), (484, 300785), (605, 240628), (860, 169279), (946, 153890), (1210, 120314), (1399, 104060), (1892, 76945), (2365, 61556), (2420, 60157), (2798, 52030), (4730, 30778), (5203, 27980), (5596, 26015), (6995, 20812), (9460, 15389), (10406, 13990)]