61577860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1237}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 137269440

約数和(自身を除く): 75691580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1237, 1310, 2474, 2489, 2620, 4948, 4978, 6185, 9956, 12370, 12445, 23503, 24740, 24890, 47006, 49780, 94012, 117515, 162047, 235030, 324094, 470060, 648188, 810235, 1620470, 3078893, 3240940, 6157786, 12315572, 15394465, 30788930, 61577860]

約数ペア:

[(1, 61577860), (2, 30788930), (4, 15394465), (5, 12315572), (10, 6157786), (19, 3240940), (20, 3078893), (38, 1620470), (76, 810235), (95, 648188), (131, 470060), (190, 324094), (262, 235030), (380, 162047), (524, 117515), (655, 94012), (1237, 49780), (1310, 47006), (2474, 24890), (2489, 24740), (2620, 23503), (4948, 12445), (4978, 12370), (6185, 9956)]