91638820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7193}}^1$

素因数の和:7229

約数の個数: 72

約数和(自身を含む): 241114104

約数和(自身を除く): 149475284

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 7193, 12740, 14386, 28772, 35965, 50351, 71930, 93509, 100702, 143860, 187018, 201404, 251755, 352457, 374036, 467545, 503510, 654563, 704914, 935090, 1007020, 1309126, 1409828, 1762285, 1870180, 2618252, 3272815, 3524570, 4581941, 6545630, 7049140, 9163882, 13091260, 18327764, 22909705, 45819410, 91638820]

約数ペア:

[(1, 91638820), (2, 45819410), (4, 22909705), (5, 18327764), (7, 13091260), (10, 9163882), (13, 7049140), (14, 6545630), (20, 4581941), (26, 3524570), (28, 3272815), (35, 2618252), (49, 1870180), (52, 1762285), (65, 1409828), (70, 1309126), (91, 1007020), (98, 935090), (130, 704914), (140, 654563), (182, 503510), (196, 467545), (245, 374036), (260, 352457), (364, 251755), (455, 201404), (490, 187018), (637, 143860), (910, 100702), (980, 93509), (1274, 71930), (1820, 50351), (2548, 35965), (3185, 28772), (6370, 14386), (7193, 12740)]