77430890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 149367240

約数和(自身を除く): 71936350

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 241, 361, 445, 482, 722, 890, 1205, 1691, 1805, 2410, 3382, 3610, 4579, 8455, 9158, 16910, 21449, 22895, 32129, 42898, 45790, 64258, 87001, 107245, 160645, 174002, 214490, 321290, 407531, 435005, 815062, 870010, 2037655, 4075310, 7743089, 15486178, 38715445, 77430890]

約数ペア:

[(1, 77430890), (2, 38715445), (5, 15486178), (10, 7743089), (19, 4075310), (38, 2037655), (89, 870010), (95, 815062), (178, 435005), (190, 407531), (241, 321290), (361, 214490), (445, 174002), (482, 160645), (722, 107245), (890, 87001), (1205, 64258), (1691, 45790), (1805, 42898), (2410, 32129), (3382, 22895), (3610, 21449), (4579, 16910), (8455, 9158)]