225640900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 501079040

約数和(自身を除く): 275438140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 127, 163, 218, 254, 326, 436, 508, 545, 635, 652, 815, 1090, 1270, 1630, 2180, 2540, 2725, 3175, 3260, 4075, 5450, 6350, 8150, 10900, 12700, 13843, 16300, 17767, 20701, 27686, 35534, 41402, 55372, 69215, 71068, 82804, 88835, 103505, 138430, 177670, 207010, 276860, 346075, 355340, 414020, 444175, 517525, 692150, 888350, 1035050, 1384300, 1776700, 2070100, 2256409, 4512818, 9025636, 11282045, 22564090, 45128180, 56410225, 112820450, 225640900]

約数ペア:

[(1, 225640900), (2, 112820450), (4, 56410225), (5, 45128180), (10, 22564090), (20, 11282045), (25, 9025636), (50, 4512818), (100, 2256409), (109, 2070100), (127, 1776700), (163, 1384300), (218, 1035050), (254, 888350), (326, 692150), (436, 517525), (508, 444175), (545, 414020), (635, 355340), (652, 346075), (815, 276860), (1090, 207010), (1270, 177670), (1630, 138430), (2180, 103505), (2540, 88835), (2725, 82804), (3175, 71068), (3260, 69215), (4075, 55372), (5450, 41402), (6350, 35534), (8150, 27686), (10900, 20701), (12700, 17767), (13843, 16300)]