79943500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:297

約数の個数: 144

約数和(自身を含む): 219596832

約数和(自身を除く): 139653332

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 125, 130, 140, 175, 182, 196, 245, 250, 251, 260, 325, 350, 364, 455, 490, 500, 502, 637, 650, 700, 875, 910, 980, 1004, 1225, 1255, 1274, 1300, 1625, 1750, 1757, 1820, 2275, 2450, 2510, 2548, 3185, 3250, 3263, 3500, 3514, 4550, 4900, 5020, 6125, 6275, 6370, 6500, 6526, 7028, 8785, 9100, 11375, 12250, 12299, 12550, 12740, 13052, 15925, 16315, 17570, 22750, 22841, 24500, 24598, 25100, 31375, 31850, 32630, 35140, 43925, 45500, 45682, 49196, 61495, 62750, 63700, 65260, 79625, 81575, 87850, 91364, 114205, 122990, 125500, 159250, 159887, 163150, 175700, 219625, 228410, 245980, 307475, 318500, 319774, 326300, 407875, 439250, 456820, 571025, 614950, 639548, 799435, 815750, 878500, 1142050, 1229900, 1537375, 1598870, 1631500, 2284100, 2855125, 3074750, 3197740, 3997175, 5710250, 6149500, 7994350, 11420500, 15988700, 19985875, 39971750, 79943500]

約数ペア:

[(1, 79943500), (2, 39971750), (4, 19985875), (5, 15988700), (7, 11420500), (10, 7994350), (13, 6149500), (14, 5710250), (20, 3997175), (25, 3197740), (26, 3074750), (28, 2855125), (35, 2284100), (49, 1631500), (50, 1598870), (52, 1537375), (65, 1229900), (70, 1142050), (91, 878500), (98, 815750), (100, 799435), (125, 639548), (130, 614950), (140, 571025), (175, 456820), (182, 439250), (196, 407875), (245, 326300), (250, 319774), (251, 318500), (260, 307475), (325, 245980), (350, 228410), (364, 219625), (455, 175700), (490, 163150), (500, 159887), (502, 159250), (637, 125500), (650, 122990), (700, 114205), (875, 91364), (910, 87850), (980, 81575), (1004, 79625), (1225, 65260), (1255, 63700), (1274, 62750), (1300, 61495), (1625, 49196), (1750, 45682), (1757, 45500), (1820, 43925), (2275, 35140), (2450, 32630), (2510, 31850), (2548, 31375), (3185, 25100), (3250, 24598), (3263, 24500), (3500, 22841), (3514, 22750), (4550, 17570), (4900, 16315), (5020, 15925), (6125, 13052), (6275, 12740), (6370, 12550), (6500, 12299), (6526, 12250), (7028, 11375), (8785, 9100)]