40440260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{211}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 100223424

約数和(自身を除く): 59783164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 211, 259, 370, 422, 518, 740, 844, 1036, 1055, 1295, 1369, 1477, 2110, 2590, 2738, 2954, 4220, 5180, 5476, 5908, 6845, 7385, 7807, 9583, 13690, 14770, 15614, 19166, 27380, 29540, 31228, 38332, 39035, 47915, 54649, 78070, 95830, 109298, 156140, 191660, 218596, 273245, 288859, 546490, 577718, 1092980, 1155436, 1444295, 2022013, 2888590, 4044026, 5777180, 8088052, 10110065, 20220130, 40440260]

約数ペア:

[(1, 40440260), (2, 20220130), (4, 10110065), (5, 8088052), (7, 5777180), (10, 4044026), (14, 2888590), (20, 2022013), (28, 1444295), (35, 1155436), (37, 1092980), (70, 577718), (74, 546490), (140, 288859), (148, 273245), (185, 218596), (211, 191660), (259, 156140), (370, 109298), (422, 95830), (518, 78070), (740, 54649), (844, 47915), (1036, 39035), (1055, 38332), (1295, 31228), (1369, 29540), (1477, 27380), (2110, 19166), (2590, 15614), (2738, 14770), (2954, 13690), (4220, 9583), (5180, 7807), (5476, 7385), (5908, 6845)]