219395818520

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1447}}^1\times {\mathrm{12347}}^1$

素因数の和:14112

約数の個数: 64

約数和(自身を含む): 495630938880

約数和(自身を除く): 276235120360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1447, 1535, 2456, 2894, 3070, 5788, 6140, 7235, 11576, 12280, 12347, 14470, 24694, 28940, 49388, 57880, 61735, 98776, 123470, 246940, 444229, 493880, 888458, 1776916, 2221145, 3553832, 3790529, 4442290, 7581058, 8884580, 15162116, 17769160, 17866109, 18952645, 30324232, 35732218, 37905290, 71464436, 75810580, 89330545, 142928872, 151621160, 178661090, 357322180, 714644360, 5484895463, 10969790926, 21939581852, 27424477315, 43879163704, 54848954630, 109697909260, 219395818520]

約数ペア:

[(1, 219395818520), (2, 109697909260), (4, 54848954630), (5, 43879163704), (8, 27424477315), (10, 21939581852), (20, 10969790926), (40, 5484895463), (307, 714644360), (614, 357322180), (1228, 178661090), (1447, 151621160), (1535, 142928872), (2456, 89330545), (2894, 75810580), (3070, 71464436), (5788, 37905290), (6140, 35732218), (7235, 30324232), (11576, 18952645), (12280, 17866109), (12347, 17769160), (14470, 15162116), (24694, 8884580), (28940, 7581058), (49388, 4442290), (57880, 3790529), (61735, 3553832), (98776, 2221145), (123470, 1776916), (246940, 888458), (444229, 493880)]