20174086940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{523}}^1\times {\mathrm{5623}}^1$

素因数の和:6176

約数の個数: 96

約数和(自身を含む): 49509196800

約数和(自身を除く): 29335109860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 523, 686, 980, 1046, 1372, 1715, 2092, 2615, 3430, 3661, 5230, 5623, 6860, 7322, 10460, 11246, 14644, 18305, 22492, 25627, 28115, 36610, 39361, 51254, 56230, 73220, 78722, 102508, 112460, 128135, 157444, 179389, 196805, 256270, 275527, 358778, 393610, 512540, 551054, 717556, 787220, 896945, 1102108, 1377635, 1793890, 1928689, 2755270, 2940829, 3587780, 3857378, 5510540, 5881658, 7714756, 9643445, 11763316, 14704145, 19286890, 20585803, 29408290, 38573780, 41171606, 58816580, 82343212, 102929015, 144100621, 205858030, 288201242, 411716060, 576402484, 720503105, 1008704347, 1441006210, 2017408694, 2882012420, 4034817388, 5043521735, 10087043470, 20174086940]

約数ペア:

[(1, 20174086940), (2, 10087043470), (4, 5043521735), (5, 4034817388), (7, 2882012420), (10, 2017408694), (14, 1441006210), (20, 1008704347), (28, 720503105), (35, 576402484), (49, 411716060), (70, 288201242), (98, 205858030), (140, 144100621), (196, 102929015), (245, 82343212), (343, 58816580), (490, 41171606), (523, 38573780), (686, 29408290), (980, 20585803), (1046, 19286890), (1372, 14704145), (1715, 11763316), (2092, 9643445), (2615, 7714756), (3430, 5881658), (3661, 5510540), (5230, 3857378), (5623, 3587780), (6860, 2940829), (7322, 2755270), (10460, 1928689), (11246, 1793890), (14644, 1377635), (18305, 1102108), (22492, 896945), (25627, 787220), (28115, 717556), (36610, 551054), (39361, 512540), (51254, 393610), (56230, 358778), (73220, 275527), (78722, 256270), (102508, 196805), (112460, 179389), (128135, 157444)]