189846100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 437020640

約数和(自身を除く): 247174540

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 163, 190, 326, 380, 475, 613, 652, 815, 950, 1226, 1630, 1900, 2452, 3065, 3097, 3260, 4075, 6130, 6194, 8150, 11647, 12260, 12388, 15325, 15485, 16300, 23294, 30650, 30970, 46588, 58235, 61300, 61940, 77425, 99919, 116470, 154850, 199838, 232940, 291175, 309700, 399676, 499595, 582350, 999190, 1164700, 1898461, 1998380, 2497975, 3796922, 4995950, 7593844, 9492305, 9991900, 18984610, 37969220, 47461525, 94923050, 189846100]

約数ペア:

[(1, 189846100), (2, 94923050), (4, 47461525), (5, 37969220), (10, 18984610), (19, 9991900), (20, 9492305), (25, 7593844), (38, 4995950), (50, 3796922), (76, 2497975), (95, 1998380), (100, 1898461), (163, 1164700), (190, 999190), (326, 582350), (380, 499595), (475, 399676), (613, 309700), (652, 291175), (815, 232940), (950, 199838), (1226, 154850), (1630, 116470), (1900, 99919), (2452, 77425), (3065, 61940), (3097, 61300), (3260, 58235), (4075, 46588), (6130, 30970), (6194, 30650), (8150, 23294), (11647, 16300), (12260, 15485), (12388, 15325)]