4991870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 10644480

約数和(自身を除く): 5652610

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 43, 47, 65, 86, 94, 95, 130, 190, 215, 235, 247, 430, 470, 494, 559, 611, 817, 893, 1118, 1222, 1235, 1634, 1786, 2021, 2470, 2795, 3055, 4042, 4085, 4465, 5590, 6110, 8170, 8930, 10105, 10621, 11609, 20210, 21242, 23218, 26273, 38399, 52546, 53105, 58045, 76798, 106210, 116090, 131365, 191995, 262730, 383990, 499187, 998374, 2495935, 4991870]

約数ペア:

[(1, 4991870), (2, 2495935), (5, 998374), (10, 499187), (13, 383990), (19, 262730), (26, 191995), (38, 131365), (43, 116090), (47, 106210), (65, 76798), (86, 58045), (94, 53105), (95, 52546), (130, 38399), (190, 26273), (215, 23218), (235, 21242), (247, 20210), (430, 11609), (470, 10621), (494, 10105), (559, 8930), (611, 8170), (817, 6110), (893, 5590), (1118, 4465), (1222, 4085), (1235, 4042), (1634, 3055), (1786, 2795), (2021, 2470)]