28960820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6673}}^1$

素因数の和:6720

約数の個数: 48

約数和(自身を含む): 71758848

約数和(自身を除く): 42798028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 6673, 13346, 26692, 33365, 46711, 66730, 93422, 133460, 186844, 206863, 233555, 413726, 467110, 827452, 934220, 1034315, 1448041, 2068630, 2896082, 4137260, 5792164, 7240205, 14480410, 28960820]

約数ペア:

[(1, 28960820), (2, 14480410), (4, 7240205), (5, 5792164), (7, 4137260), (10, 2896082), (14, 2068630), (20, 1448041), (28, 1034315), (31, 934220), (35, 827452), (62, 467110), (70, 413726), (124, 233555), (140, 206863), (155, 186844), (217, 133460), (310, 93422), (434, 66730), (620, 46711), (868, 33365), (1085, 26692), (2170, 13346), (4340, 6673)]