139947640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:773

約数の個数: 128

約数和(自身を含む): 388177920

約数和(自身を除く): 248230280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 434, 460, 620, 644, 701, 713, 805, 868, 920, 1085, 1240, 1288, 1402, 1426, 1610, 1736, 2170, 2804, 2852, 3220, 3505, 3565, 4340, 4907, 4991, 5608, 5704, 6440, 7010, 7130, 8680, 9814, 9982, 14020, 14260, 16123, 19628, 19964, 21731, 24535, 24955, 28040, 28520, 32246, 39256, 39928, 43462, 49070, 49910, 64492, 80615, 86924, 98140, 99820, 108655, 112861, 128984, 152117, 161230, 173848, 196280, 199640, 217310, 225722, 304234, 322460, 434620, 451444, 499813, 564305, 608468, 644920, 760585, 869240, 902888, 999626, 1128610, 1216936, 1521170, 1999252, 2257220, 2499065, 3042340, 3498691, 3998504, 4514440, 4998130, 6084680, 6997382, 9996260, 13994764, 17493455, 19992520, 27989528, 34986910, 69973820, 139947640]

約数ペア:

[(1, 139947640), (2, 69973820), (4, 34986910), (5, 27989528), (7, 19992520), (8, 17493455), (10, 13994764), (14, 9996260), (20, 6997382), (23, 6084680), (28, 4998130), (31, 4514440), (35, 3998504), (40, 3498691), (46, 3042340), (56, 2499065), (62, 2257220), (70, 1999252), (92, 1521170), (115, 1216936), (124, 1128610), (140, 999626), (155, 902888), (161, 869240), (184, 760585), (217, 644920), (230, 608468), (248, 564305), (280, 499813), (310, 451444), (322, 434620), (434, 322460), (460, 304234), (620, 225722), (644, 217310), (701, 199640), (713, 196280), (805, 173848), (868, 161230), (920, 152117), (1085, 128984), (1240, 112861), (1288, 108655), (1402, 99820), (1426, 98140), (1610, 86924), (1736, 80615), (2170, 64492), (2804, 49910), (2852, 49070), (3220, 43462), (3505, 39928), (3565, 39256), (4340, 32246), (4907, 28520), (4991, 28040), (5608, 24955), (5704, 24535), (6440, 21731), (7010, 19964), (7130, 19628), (8680, 16123), (9814, 14260), (9982, 14020)]