140408520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{23879}}^1$

素因数の和:23907

約数の個数: 96

約数和(自身を含む): 490017600

約数和(自身を除く): 349609080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 23879, 47758, 71637, 95516, 119395, 143274, 167153, 191032, 238790, 286548, 334306, 358185, 477580, 501459, 573096, 668612, 716370, 835765, 955160, 1002918, 1170071, 1337224, 1432740, 1671530, 2005836, 2340142, 2507295, 2865480, 3343060, 3510213, 4011672, 4680284, 5014590, 5850355, 6686120, 7020426, 9360568, 10029180, 11700710, 14040852, 17551065, 20058360, 23401420, 28081704, 35102130, 46802840, 70204260, 140408520]

約数ペア:

[(1, 140408520), (2, 70204260), (3, 46802840), (4, 35102130), (5, 28081704), (6, 23401420), (7, 20058360), (8, 17551065), (10, 14040852), (12, 11700710), (14, 10029180), (15, 9360568), (20, 7020426), (21, 6686120), (24, 5850355), (28, 5014590), (30, 4680284), (35, 4011672), (40, 3510213), (42, 3343060), (49, 2865480), (56, 2507295), (60, 2340142), (70, 2005836), (84, 1671530), (98, 1432740), (105, 1337224), (120, 1170071), (140, 1002918), (147, 955160), (168, 835765), (196, 716370), (210, 668612), (245, 573096), (280, 501459), (294, 477580), (392, 358185), (420, 334306), (490, 286548), (588, 238790), (735, 191032), (840, 167153), (980, 143274), (1176, 119395), (1470, 95516), (1960, 71637), (2940, 47758), (5880, 23879)]