339932980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{1571}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 739468800

約数和(自身を除く): 399535820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 349, 620, 698, 1396, 1571, 1745, 3142, 3490, 6284, 6980, 7855, 10819, 15710, 21638, 31420, 43276, 48701, 54095, 97402, 108190, 194804, 216380, 243505, 487010, 548279, 974020, 1096558, 2193116, 2741395, 5482790, 10965580, 16996649, 33993298, 67986596, 84983245, 169966490, 339932980]

約数ペア:

[(1, 339932980), (2, 169966490), (4, 84983245), (5, 67986596), (10, 33993298), (20, 16996649), (31, 10965580), (62, 5482790), (124, 2741395), (155, 2193116), (310, 1096558), (349, 974020), (620, 548279), (698, 487010), (1396, 243505), (1571, 216380), (1745, 194804), (3142, 108190), (3490, 97402), (6284, 54095), (6980, 48701), (7855, 43276), (10819, 31420), (15710, 21638)]