140391972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3739}}^1$

素因数の和:3905

約数の個数: 72

約数和(自身を含む): 408408000

約数和(自身を除く): 268016028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 149, 252, 298, 447, 596, 894, 1043, 1341, 1788, 2086, 2682, 3129, 3739, 4172, 5364, 6258, 7478, 9387, 11217, 12516, 14956, 18774, 22434, 26173, 33651, 37548, 44868, 52346, 67302, 78519, 104692, 134604, 157038, 235557, 314076, 471114, 557111, 942228, 1114222, 1671333, 2228444, 3342666, 3899777, 5013999, 6685332, 7799554, 10027998, 11699331, 15599108, 20055996, 23398662, 35097993, 46797324, 70195986, 140391972]

約数ペア:

[(1, 140391972), (2, 70195986), (3, 46797324), (4, 35097993), (6, 23398662), (7, 20055996), (9, 15599108), (12, 11699331), (14, 10027998), (18, 7799554), (21, 6685332), (28, 5013999), (36, 3899777), (42, 3342666), (63, 2228444), (84, 1671333), (126, 1114222), (149, 942228), (252, 557111), (298, 471114), (447, 314076), (596, 235557), (894, 157038), (1043, 134604), (1341, 104692), (1788, 78519), (2086, 67302), (2682, 52346), (3129, 44868), (3739, 37548), (4172, 33651), (5364, 26173), (6258, 22434), (7478, 18774), (9387, 14956), (11217, 12516)]