28980510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3911}}^1$

素因数の和:3953

約数の個数: 64

約数和(自身を含む): 78865920

約数和(自身を除く): 49885410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 3705, 3911, 7410, 7822, 11733, 19555, 23466, 39110, 50843, 58665, 74309, 101686, 117330, 148618, 152529, 222927, 254215, 305058, 371545, 445854, 508430, 743090, 762645, 966017, 1114635, 1525290, 1932034, 2229270, 2898051, 4830085, 5796102, 9660170, 14490255, 28980510]

約数ペア:

[(1, 28980510), (2, 14490255), (3, 9660170), (5, 5796102), (6, 4830085), (10, 2898051), (13, 2229270), (15, 1932034), (19, 1525290), (26, 1114635), (30, 966017), (38, 762645), (39, 743090), (57, 508430), (65, 445854), (78, 371545), (95, 305058), (114, 254215), (130, 222927), (190, 152529), (195, 148618), (247, 117330), (285, 101686), (390, 74309), (494, 58665), (570, 50843), (741, 39110), (1235, 23466), (1482, 19555), (2470, 11733), (3705, 7822), (3911, 7410)]