8414770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 18989208

約数和(自身を除く): 10574438

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 1321, 2642, 3185, 6370, 6605, 9247, 13210, 17173, 18494, 34346, 46235, 64729, 85865, 92470, 120211, 129458, 171730, 240422, 323645, 601055, 647290, 841477, 1202110, 1682954, 4207385, 8414770]

約数ペア:

[(1, 8414770), (2, 4207385), (5, 1682954), (7, 1202110), (10, 841477), (13, 647290), (14, 601055), (26, 323645), (35, 240422), (49, 171730), (65, 129458), (70, 120211), (91, 92470), (98, 85865), (130, 64729), (182, 46235), (245, 34346), (455, 18494), (490, 17173), (637, 13210), (910, 9247), (1274, 6605), (1321, 6370), (2642, 3185)]