606980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 1451520

約数和(自身を除く): 844540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 89, 110, 124, 155, 178, 220, 310, 341, 356, 445, 620, 682, 890, 979, 1364, 1705, 1780, 1958, 2759, 3410, 3916, 4895, 5518, 6820, 9790, 11036, 13795, 19580, 27590, 30349, 55180, 60698, 121396, 151745, 303490, 606980]

約数ペア:

[(1, 606980), (2, 303490), (4, 151745), (5, 121396), (10, 60698), (11, 55180), (20, 30349), (22, 27590), (31, 19580), (44, 13795), (55, 11036), (62, 9790), (89, 6820), (110, 5518), (124, 4895), (155, 3916), (178, 3410), (220, 2759), (310, 1958), (341, 1780), (356, 1705), (445, 1364), (620, 979), (682, 890)]