204620240620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3089}}^1\times {\mathrm{46649}}^1$

素因数の和:49818

約数の個数: 48

約数和(自身を含む): 435905064000

約数和(自身を除く): 231284823380

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 3089, 6178, 12356, 15445, 30890, 46649, 61780, 93298, 186596, 219319, 233245, 438638, 466490, 877276, 932980, 1096595, 2193190, 3312079, 4386380, 6624158, 13248316, 16560395, 33120790, 66241580, 144098761, 288197522, 576395044, 720493805, 1440987610, 2881975220, 10231012031, 20462024062, 40924048124, 51155060155, 102310120310, 204620240620]

約数ペア:

[(1, 204620240620), (2, 102310120310), (4, 51155060155), (5, 40924048124), (10, 20462024062), (20, 10231012031), (71, 2881975220), (142, 1440987610), (284, 720493805), (355, 576395044), (710, 288197522), (1420, 144098761), (3089, 66241580), (6178, 33120790), (12356, 16560395), (15445, 13248316), (30890, 6624158), (46649, 4386380), (61780, 3312079), (93298, 2193190), (186596, 1096595), (219319, 932980), (233245, 877276), (438638, 466490)]