140404488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 414720000

約数和(自身を除く): 274315512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 71, 79, 84, 142, 149, 158, 168, 213, 237, 284, 298, 316, 426, 447, 474, 497, 553, 568, 596, 632, 852, 894, 948, 994, 1043, 1106, 1192, 1491, 1659, 1704, 1788, 1896, 1988, 2086, 2212, 2982, 3129, 3318, 3576, 3976, 4172, 4424, 5609, 5964, 6258, 6636, 8344, 10579, 11218, 11771, 11928, 12516, 13272, 16827, 21158, 22436, 23542, 25032, 31737, 33654, 35313, 39263, 42316, 44872, 47084, 63474, 67308, 70626, 74053, 78526, 82397, 84632, 94168, 117789, 126948, 134616, 141252, 148106, 157052, 164794, 222159, 235578, 247191, 253896, 282504, 296212, 314104, 329588, 444318, 471156, 494382, 592424, 659176, 835741, 888636, 942312, 988764, 1671482, 1777272, 1977528, 2507223, 3342964, 5014446, 5850187, 6685928, 10028892, 11700374, 17550561, 20057784, 23400748, 35101122, 46801496, 70202244, 140404488]

約数ペア:

[(1, 140404488), (2, 70202244), (3, 46801496), (4, 35101122), (6, 23400748), (7, 20057784), (8, 17550561), (12, 11700374), (14, 10028892), (21, 6685928), (24, 5850187), (28, 5014446), (42, 3342964), (56, 2507223), (71, 1977528), (79, 1777272), (84, 1671482), (142, 988764), (149, 942312), (158, 888636), (168, 835741), (213, 659176), (237, 592424), (284, 494382), (298, 471156), (316, 444318), (426, 329588), (447, 314104), (474, 296212), (497, 282504), (553, 253896), (568, 247191), (596, 235578), (632, 222159), (852, 164794), (894, 157052), (948, 148106), (994, 141252), (1043, 134616), (1106, 126948), (1192, 117789), (1491, 94168), (1659, 84632), (1704, 82397), (1788, 78526), (1896, 74053), (1988, 70626), (2086, 67308), (2212, 63474), (2982, 47084), (3129, 44872), (3318, 42316), (3576, 39263), (3976, 35313), (4172, 33654), (4424, 31737), (5609, 25032), (5964, 23542), (6258, 22436), (6636, 21158), (8344, 16827), (10579, 13272), (11218, 12516), (11771, 11928)]