939887620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{3539}}^1$

素因数の和:3833

約数の個数: 72

約数和(自身を含む): 2305134720

約数和(自身を除く): 1365247100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 271, 490, 542, 980, 1084, 1355, 1897, 2710, 3539, 3794, 5420, 7078, 7588, 9485, 13279, 14156, 17695, 18970, 24773, 26558, 35390, 37940, 49546, 53116, 66395, 70780, 99092, 123865, 132790, 173411, 247730, 265580, 346822, 495460, 693644, 867055, 959069, 1734110, 1918138, 3468220, 3836276, 4795345, 6713483, 9590690, 13426966, 19181380, 26853932, 33567415, 46994381, 67134830, 93988762, 134269660, 187977524, 234971905, 469943810, 939887620]

約数ペア:

[(1, 939887620), (2, 469943810), (4, 234971905), (5, 187977524), (7, 134269660), (10, 93988762), (14, 67134830), (20, 46994381), (28, 33567415), (35, 26853932), (49, 19181380), (70, 13426966), (98, 9590690), (140, 6713483), (196, 4795345), (245, 3836276), (271, 3468220), (490, 1918138), (542, 1734110), (980, 959069), (1084, 867055), (1355, 693644), (1897, 495460), (2710, 346822), (3539, 265580), (3794, 247730), (5420, 173411), (7078, 132790), (7588, 123865), (9485, 99092), (13279, 70780), (14156, 66395), (17695, 53116), (18970, 49546), (24773, 37940), (26558, 35390)]