1900548990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{67901}}^1$

素因数の和:68225

約数の個数: 48

約数和(自身を含む): 4957389216

約数和(自身を除く): 3056840226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 311, 622, 933, 1555, 1866, 2799, 3110, 4665, 5598, 9330, 13995, 27990, 67901, 135802, 203703, 339505, 407406, 611109, 679010, 1018515, 1222218, 2037030, 3055545, 6111090, 21117211, 42234422, 63351633, 105586055, 126703266, 190054899, 211172110, 316758165, 380109798, 633516330, 950274495, 1900548990]

約数ペア:

[(1, 1900548990), (2, 950274495), (3, 633516330), (5, 380109798), (6, 316758165), (9, 211172110), (10, 190054899), (15, 126703266), (18, 105586055), (30, 63351633), (45, 42234422), (90, 21117211), (311, 6111090), (622, 3055545), (933, 2037030), (1555, 1222218), (1866, 1018515), (2799, 679010), (3110, 611109), (4665, 407406), (5598, 339505), (9330, 203703), (13995, 135802), (27990, 67901)]