18958100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 108

約数和(自身を含む): 49426524

約数和(自身を除く): 30468424

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 53, 70, 73, 98, 100, 106, 140, 146, 175, 196, 212, 245, 265, 292, 350, 365, 371, 490, 511, 530, 700, 730, 742, 980, 1022, 1060, 1225, 1325, 1460, 1484, 1825, 1855, 2044, 2450, 2555, 2597, 2650, 3577, 3650, 3710, 3869, 4900, 5110, 5194, 5300, 7154, 7300, 7420, 7738, 9275, 10220, 10388, 12775, 12985, 14308, 15476, 17885, 18550, 19345, 25550, 25970, 27083, 35770, 37100, 38690, 51100, 51940, 54166, 64925, 71540, 77380, 89425, 96725, 108332, 129850, 135415, 178850, 189581, 193450, 259700, 270830, 357700, 379162, 386900, 541660, 677075, 758324, 947905, 1354150, 1895810, 2708300, 3791620, 4739525, 9479050, 18958100]

約数ペア:

[(1, 18958100), (2, 9479050), (4, 4739525), (5, 3791620), (7, 2708300), (10, 1895810), (14, 1354150), (20, 947905), (25, 758324), (28, 677075), (35, 541660), (49, 386900), (50, 379162), (53, 357700), (70, 270830), (73, 259700), (98, 193450), (100, 189581), (106, 178850), (140, 135415), (146, 129850), (175, 108332), (196, 96725), (212, 89425), (245, 77380), (265, 71540), (292, 64925), (350, 54166), (365, 51940), (371, 51100), (490, 38690), (511, 37100), (530, 35770), (700, 27083), (730, 25970), (742, 25550), (980, 19345), (1022, 18550), (1060, 17885), (1225, 15476), (1325, 14308), (1460, 12985), (1484, 12775), (1825, 10388), (1855, 10220), (2044, 9275), (2450, 7738), (2555, 7420), (2597, 7300), (2650, 7154), (3577, 5300), (3650, 5194), (3710, 5110), (3869, 4900)]