210922760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{170099}}^1$

素因数の和:170141

約数の個数: 32

約数和(自身を含む): 489888000

約数和(自身を除く): 278965240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 170099, 340198, 680396, 850495, 1360792, 1700990, 3401980, 5273069, 6803960, 10546138, 21092276, 26365345, 42184552, 52730690, 105461380, 210922760]

約数ペア:

[(1, 210922760), (2, 105461380), (4, 52730690), (5, 42184552), (8, 26365345), (10, 21092276), (20, 10546138), (31, 6803960), (40, 5273069), (62, 3401980), (124, 1700990), (155, 1360792), (248, 850495), (310, 680396), (620, 340198), (1240, 170099)]