427298980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{1871}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 946632960

約数和(自身を除く): 519333980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 601, 1202, 1871, 2404, 3005, 3742, 6010, 7484, 9355, 11419, 12020, 18710, 22838, 35549, 37420, 45676, 57095, 71098, 114190, 142196, 177745, 228380, 355490, 710980, 1124471, 2248942, 4497884, 5622355, 11244710, 21364949, 22489420, 42729898, 85459796, 106824745, 213649490, 427298980]

約数ペア:

[(1, 427298980), (2, 213649490), (4, 106824745), (5, 85459796), (10, 42729898), (19, 22489420), (20, 21364949), (38, 11244710), (76, 5622355), (95, 4497884), (190, 2248942), (380, 1124471), (601, 710980), (1202, 355490), (1871, 228380), (2404, 177745), (3005, 142196), (3742, 114190), (6010, 71098), (7484, 57095), (9355, 45676), (11419, 37420), (12020, 35549), (18710, 22838)]