136857980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{389}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 336117600

約数和(自身を除く): 199259620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 359, 389, 490, 718, 778, 980, 1436, 1556, 1795, 1945, 2513, 2723, 3590, 3890, 5026, 5446, 7180, 7780, 10052, 10892, 12565, 13615, 17591, 19061, 25130, 27230, 35182, 38122, 50260, 54460, 70364, 76244, 87955, 95305, 139651, 175910, 190610, 279302, 351820, 381220, 558604, 698255, 977557, 1396510, 1955114, 2793020, 3910228, 4887785, 6842899, 9775570, 13685798, 19551140, 27371596, 34214495, 68428990, 136857980]

約数ペア:

[(1, 136857980), (2, 68428990), (4, 34214495), (5, 27371596), (7, 19551140), (10, 13685798), (14, 9775570), (20, 6842899), (28, 4887785), (35, 3910228), (49, 2793020), (70, 1955114), (98, 1396510), (140, 977557), (196, 698255), (245, 558604), (359, 381220), (389, 351820), (490, 279302), (718, 190610), (778, 175910), (980, 139651), (1436, 95305), (1556, 87955), (1795, 76244), (1945, 70364), (2513, 54460), (2723, 50260), (3590, 38122), (3890, 35182), (5026, 27230), (5446, 25130), (7180, 19061), (7780, 17591), (10052, 13615), (10892, 12565)]