313615220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{1409}}^1$

素因数の和:1808

約数の個数: 48

約数和(自身を含む): 682214400

約数和(自身を除く): 368599180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 359, 620, 718, 1409, 1436, 1795, 2818, 3590, 5636, 7045, 7180, 11129, 14090, 22258, 28180, 43679, 44516, 55645, 87358, 111290, 174716, 218395, 222580, 436790, 505831, 873580, 1011662, 2023324, 2529155, 5058310, 10116620, 15680761, 31361522, 62723044, 78403805, 156807610, 313615220]

約数ペア:

[(1, 313615220), (2, 156807610), (4, 78403805), (5, 62723044), (10, 31361522), (20, 15680761), (31, 10116620), (62, 5058310), (124, 2529155), (155, 2023324), (310, 1011662), (359, 873580), (620, 505831), (718, 436790), (1409, 222580), (1436, 218395), (1795, 174716), (2818, 111290), (3590, 87358), (5636, 55645), (7045, 44516), (7180, 43679), (11129, 28180), (14090, 22258)]