140863240

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{10267}}^1$

素因数の和:10299

約数の個数: 64

約数和(自身を含む): 369648000

約数和(自身を除く): 228784760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 10267, 13720, 20534, 41068, 51335, 71869, 82136, 102670, 143738, 205340, 287476, 359345, 410680, 503083, 574952, 718690, 1006166, 1437380, 2012332, 2515415, 2874760, 3521581, 4024664, 5030830, 7043162, 10061660, 14086324, 17607905, 20123320, 28172648, 35215810, 70431620, 140863240]

約数ペア:

[(1, 140863240), (2, 70431620), (4, 35215810), (5, 28172648), (7, 20123320), (8, 17607905), (10, 14086324), (14, 10061660), (20, 7043162), (28, 5030830), (35, 4024664), (40, 3521581), (49, 2874760), (56, 2515415), (70, 2012332), (98, 1437380), (140, 1006166), (196, 718690), (245, 574952), (280, 503083), (343, 410680), (392, 359345), (490, 287476), (686, 205340), (980, 143738), (1372, 102670), (1715, 82136), (1960, 71869), (2744, 51335), (3430, 41068), (6860, 20534), (10267, 13720)]