547123460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{15139}}^1$

素因数の和:15300

約数の個数: 48

約数和(自身を含む): 1246324800

約数和(自身を除く): 699201340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 7228, 9035, 15139, 18070, 30278, 36140, 60556, 75695, 151390, 196807, 302780, 393614, 787228, 984035, 1968070, 2104321, 3936140, 4208642, 8417284, 10521605, 21043210, 27356173, 42086420, 54712346, 109424692, 136780865, 273561730, 547123460]

約数ペア:

[(1, 547123460), (2, 273561730), (4, 136780865), (5, 109424692), (10, 54712346), (13, 42086420), (20, 27356173), (26, 21043210), (52, 10521605), (65, 8417284), (130, 4208642), (139, 3936140), (260, 2104321), (278, 1968070), (556, 984035), (695, 787228), (1390, 393614), (1807, 302780), (2780, 196807), (3614, 151390), (7228, 75695), (9035, 60556), (15139, 36140), (18070, 30278)]