290983140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{230939}}^1$

素因数の和:230961

約数の個数: 72

約数和(自身を含む): 1008745920

約数和(自身を除く): 717762780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 230939, 461878, 692817, 923756, 1154695, 1385634, 1616573, 2078451, 2309390, 2771268, 3233146, 3464085, 4156902, 4618780, 4849719, 6466292, 6928170, 8082865, 8313804, 9699438, 10392255, 13856340, 14549157, 16165730, 19398876, 20784510, 24248595, 29098314, 32331460, 41569020, 48497190, 58196628, 72745785, 96994380, 145491570, 290983140]

約数ペア:

[(1, 290983140), (2, 145491570), (3, 96994380), (4, 72745785), (5, 58196628), (6, 48497190), (7, 41569020), (9, 32331460), (10, 29098314), (12, 24248595), (14, 20784510), (15, 19398876), (18, 16165730), (20, 14549157), (21, 13856340), (28, 10392255), (30, 9699438), (35, 8313804), (36, 8082865), (42, 6928170), (45, 6466292), (60, 4849719), (63, 4618780), (70, 4156902), (84, 3464085), (90, 3233146), (105, 2771268), (126, 2309390), (140, 2078451), (180, 1616573), (210, 1385634), (252, 1154695), (315, 923756), (420, 692817), (630, 461878), (1260, 230939)]