628886150

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{643}}^1$

素因数の和:1317

約数の個数: 48

約数和(自身を含む): 1211255808

約数和(自身を除く): 582369658

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 631, 643, 775, 1262, 1286, 1550, 3155, 3215, 6310, 6430, 15775, 16075, 19561, 19933, 31550, 32150, 39122, 39866, 97805, 99665, 195610, 199330, 405733, 489025, 498325, 811466, 978050, 996650, 2028665, 4057330, 10143325, 12577723, 20286650, 25155446, 62888615, 125777230, 314443075, 628886150]

約数ペア:

[(1, 628886150), (2, 314443075), (5, 125777230), (10, 62888615), (25, 25155446), (31, 20286650), (50, 12577723), (62, 10143325), (155, 4057330), (310, 2028665), (631, 996650), (643, 978050), (775, 811466), (1262, 498325), (1286, 489025), (1550, 405733), (3155, 199330), (3215, 195610), (6310, 99665), (6430, 97805), (15775, 39866), (16075, 39122), (19561, 32150), (19933, 31550)]