489587420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29387}}^1$

素因数の和:29427

約数の個数: 72

約数和(自身を含む): 1266387696

約数和(自身を除く): 776800276

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 16660, 29387, 58774, 117548, 146935, 205709, 293870, 411418, 499579, 587740, 822836, 999158, 1028545, 1439963, 1998316, 2057090, 2497895, 2879926, 3497053, 4114180, 4995790, 5759852, 6994106, 7199815, 9991580, 13988212, 14399630, 17485265, 24479371, 28799260, 34970530, 48958742, 69941060, 97917484, 122396855, 244793710, 489587420]

約数ペア:

[(1, 489587420), (2, 244793710), (4, 122396855), (5, 97917484), (7, 69941060), (10, 48958742), (14, 34970530), (17, 28799260), (20, 24479371), (28, 17485265), (34, 14399630), (35, 13988212), (49, 9991580), (68, 7199815), (70, 6994106), (85, 5759852), (98, 4995790), (119, 4114180), (140, 3497053), (170, 2879926), (196, 2497895), (238, 2057090), (245, 1998316), (340, 1439963), (476, 1028545), (490, 999158), (595, 822836), (833, 587740), (980, 499579), (1190, 411418), (1666, 293870), (2380, 205709), (3332, 146935), (4165, 117548), (8330, 58774), (16660, 29387)]