1649869700

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{797}}^1$

素因数の和:1101

約数の個数: 72

約数和(自身を含む): 3635100672

約数和(自身を除く): 1985230972

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 163, 254, 326, 508, 635, 652, 797, 815, 1270, 1594, 1630, 2540, 3175, 3188, 3260, 3985, 4075, 6350, 7970, 8150, 12700, 15940, 16300, 19925, 20701, 39850, 41402, 79700, 82804, 101219, 103505, 129911, 202438, 207010, 259822, 404876, 414020, 506095, 517525, 519644, 649555, 1012190, 1035050, 1299110, 2024380, 2070100, 2530475, 2598220, 3247775, 5060950, 6495550, 10121900, 12991100, 16498697, 32997394, 65994788, 82493485, 164986970, 329973940, 412467425, 824934850, 1649869700]

約数ペア:

[(1, 1649869700), (2, 824934850), (4, 412467425), (5, 329973940), (10, 164986970), (20, 82493485), (25, 65994788), (50, 32997394), (100, 16498697), (127, 12991100), (163, 10121900), (254, 6495550), (326, 5060950), (508, 3247775), (635, 2598220), (652, 2530475), (797, 2070100), (815, 2024380), (1270, 1299110), (1594, 1035050), (1630, 1012190), (2540, 649555), (3175, 519644), (3188, 517525), (3260, 506095), (3985, 414020), (4075, 404876), (6350, 259822), (7970, 207010), (8150, 202438), (12700, 129911), (15940, 103505), (16300, 101219), (19925, 82804), (20701, 79700), (39850, 41402)]