22780810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 48625920

約数和(自身を除く): 25845110

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 46, 65, 95, 115, 130, 190, 230, 247, 299, 401, 437, 494, 598, 802, 874, 1235, 1495, 2005, 2185, 2470, 2990, 4010, 4370, 5213, 5681, 7619, 9223, 10426, 11362, 15238, 18446, 26065, 28405, 38095, 46115, 52130, 56810, 76190, 92230, 99047, 119899, 175237, 198094, 239798, 350474, 495235, 599495, 876185, 990470, 1198990, 1752370, 2278081, 4556162, 11390405, 22780810]

約数ペア:

[(1, 22780810), (2, 11390405), (5, 4556162), (10, 2278081), (13, 1752370), (19, 1198990), (23, 990470), (26, 876185), (38, 599495), (46, 495235), (65, 350474), (95, 239798), (115, 198094), (130, 175237), (190, 119899), (230, 99047), (247, 92230), (299, 76190), (401, 56810), (437, 52130), (494, 46115), (598, 38095), (802, 28405), (874, 26065), (1235, 18446), (1495, 15238), (2005, 11362), (2185, 10426), (2470, 9223), (2990, 7619), (4010, 5681), (4370, 5213)]