220734900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{245261}}^1$

素因数の和:245281

約数の個数: 54

約数和(自身を含む): 691884102

約数和(自身を除く): 471149202

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 245261, 490522, 735783, 981044, 1226305, 1471566, 2207349, 2452610, 2943132, 3678915, 4414698, 4905220, 6131525, 7357830, 8829396, 11036745, 12263050, 14715660, 18394575, 22073490, 24526100, 36789150, 44146980, 55183725, 73578300, 110367450, 220734900]

約数ペア:

[(1, 220734900), (2, 110367450), (3, 73578300), (4, 55183725), (5, 44146980), (6, 36789150), (9, 24526100), (10, 22073490), (12, 18394575), (15, 14715660), (18, 12263050), (20, 11036745), (25, 8829396), (30, 7357830), (36, 6131525), (45, 4905220), (50, 4414698), (60, 3678915), (75, 2943132), (90, 2452610), (100, 2207349), (150, 1471566), (180, 1226305), (225, 981044), (300, 735783), (450, 490522), (900, 245261)]