400421450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{56003}}^1$

素因数の和:56039

約数の個数: 48

約数和(自身を含む): 875006496

約数和(自身を除く): 474585046

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 7150, 56003, 112006, 280015, 560030, 616033, 728039, 1232066, 1400075, 1456078, 2800150, 3080165, 3640195, 6160330, 7280390, 8008429, 15400825, 16016858, 18200975, 30801650, 36401950, 40042145, 80084290, 200210725, 400421450]

約数ペア:

[(1, 400421450), (2, 200210725), (5, 80084290), (10, 40042145), (11, 36401950), (13, 30801650), (22, 18200975), (25, 16016858), (26, 15400825), (50, 8008429), (55, 7280390), (65, 6160330), (110, 3640195), (130, 3080165), (143, 2800150), (275, 1456078), (286, 1400075), (325, 1232066), (550, 728039), (650, 616033), (715, 560030), (1430, 280015), (3575, 112006), (7150, 56003)]