78981372260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13831}}^1\times {\mathrm{5827}}^1$

素因数の和:19681

約数の個数: 72

約数和(自身を含む): 192987273024

約数和(自身を除く): 114005900764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 5827, 11654, 13831, 23308, 27662, 29135, 40789, 55324, 58270, 69155, 81578, 96817, 116540, 138310, 163156, 193634, 203945, 276620, 285523, 387268, 407890, 484085, 571046, 677719, 815780, 968170, 1142092, 1355438, 1427615, 1936340, 2710876, 2855230, 3388595, 5710460, 6777190, 13554380, 80593237, 161186474, 322372948, 402966185, 564152659, 805932370, 1128305318, 1611864740, 2256610636, 2820763295, 3949068613, 5641526590, 7898137226, 11283053180, 15796274452, 19745343065, 39490686130, 78981372260]

約数ペア:

[(1, 78981372260), (2, 39490686130), (4, 19745343065), (5, 15796274452), (7, 11283053180), (10, 7898137226), (14, 5641526590), (20, 3949068613), (28, 2820763295), (35, 2256610636), (49, 1611864740), (70, 1128305318), (98, 805932370), (140, 564152659), (196, 402966185), (245, 322372948), (490, 161186474), (980, 80593237), (5827, 13554380), (11654, 6777190), (13831, 5710460), (23308, 3388595), (27662, 2855230), (29135, 2710876), (40789, 1936340), (55324, 1427615), (58270, 1355438), (69155, 1142092), (81578, 968170), (96817, 815780), (116540, 677719), (138310, 571046), (163156, 484085), (193634, 407890), (203945, 387268), (276620, 285523)]