42815740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10243}}^1$

素因数の和:10282

約数の個数: 48

約数和(自身を含む): 103259520

約数和(自身を除く): 60443780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 10243, 20486, 40972, 51215, 102430, 112673, 194617, 204860, 225346, 389234, 450692, 563365, 778468, 973085, 1126730, 1946170, 2140787, 2253460, 3892340, 4281574, 8563148, 10703935, 21407870, 42815740]

約数ペア:

[(1, 42815740), (2, 21407870), (4, 10703935), (5, 8563148), (10, 4281574), (11, 3892340), (19, 2253460), (20, 2140787), (22, 1946170), (38, 1126730), (44, 973085), (55, 778468), (76, 563365), (95, 450692), (110, 389234), (190, 225346), (209, 204860), (220, 194617), (380, 112673), (418, 102430), (836, 51215), (1045, 40972), (2090, 20486), (4180, 10243)]