90774100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 209236608

約数和(自身を除く): 118462508

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 61, 92, 100, 115, 122, 230, 244, 305, 460, 575, 610, 647, 1150, 1220, 1294, 1403, 1525, 2300, 2588, 2806, 3050, 3235, 5612, 6100, 6470, 7015, 12940, 14030, 14881, 16175, 28060, 29762, 32350, 35075, 39467, 59524, 64700, 70150, 74405, 78934, 140300, 148810, 157868, 197335, 297620, 372025, 394670, 744050, 789340, 907741, 986675, 1488100, 1815482, 1973350, 3630964, 3946700, 4538705, 9077410, 18154820, 22693525, 45387050, 90774100]

約数ペア:

[(1, 90774100), (2, 45387050), (4, 22693525), (5, 18154820), (10, 9077410), (20, 4538705), (23, 3946700), (25, 3630964), (46, 1973350), (50, 1815482), (61, 1488100), (92, 986675), (100, 907741), (115, 789340), (122, 744050), (230, 394670), (244, 372025), (305, 297620), (460, 197335), (575, 157868), (610, 148810), (647, 140300), (1150, 78934), (1220, 74405), (1294, 70150), (1403, 64700), (1525, 59524), (2300, 39467), (2588, 35075), (2806, 32350), (3050, 29762), (3235, 28060), (5612, 16175), (6100, 14881), (6470, 14030), (7015, 12940)]