28994380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 65691360

約数和(自身を除く): 36696980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 1861, 3116, 3722, 3895, 7444, 7790, 9305, 15580, 18610, 35359, 37220, 70718, 76301, 141436, 152602, 176795, 305204, 353590, 381505, 707180, 763010, 1449719, 1526020, 2899438, 5798876, 7248595, 14497190, 28994380]

約数ペア:

[(1, 28994380), (2, 14497190), (4, 7248595), (5, 5798876), (10, 2899438), (19, 1526020), (20, 1449719), (38, 763010), (41, 707180), (76, 381505), (82, 353590), (95, 305204), (164, 176795), (190, 152602), (205, 141436), (380, 76301), (410, 70718), (779, 37220), (820, 35359), (1558, 18610), (1861, 15580), (3116, 9305), (3722, 7790), (3895, 7444)]