3988895075

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 5644024176

約数和(自身を除く): 1655129101

約数列:

[1, 5, 11, 25, 37, 55, 121, 157, 185, 227, 275, 407, 605, 785, 925, 1135, 1727, 2035, 2497, 3025, 3925, 4477, 5675, 5809, 8399, 8635, 10175, 12485, 18997, 22385, 27467, 29045, 35639, 41995, 43175, 62425, 63899, 92389, 94985, 111925, 137335, 145225, 178195, 209975, 319495, 392029, 461945, 474925, 686675, 702889, 890975, 1016279, 1318643, 1597475, 1960145, 2309725, 3514445, 4312319, 5081395, 6593215, 9800725, 14505073, 17572225, 21561595, 25406975, 32966075, 72525365, 107807975, 159555803, 362626825, 797779015, 3988895075]

約数ペア:

[(1, 3988895075), (5, 797779015), (11, 362626825), (25, 159555803), (37, 107807975), (55, 72525365), (121, 32966075), (157, 25406975), (185, 21561595), (227, 17572225), (275, 14505073), (407, 9800725), (605, 6593215), (785, 5081395), (925, 4312319), (1135, 3514445), (1727, 2309725), (2035, 1960145), (2497, 1597475), (3025, 1318643), (3925, 1016279), (4477, 890975), (5675, 702889), (5809, 686675), (8399, 474925), (8635, 461945), (10175, 392029), (12485, 319495), (18997, 209975), (22385, 178195), (27467, 145225), (29045, 137335), (35639, 111925), (41995, 94985), (43175, 92389), (62425, 63899)]