245268520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{433}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 683510940

約数和(自身を除く): 438242420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 289, 340, 392, 433, 476, 490, 578, 595, 680, 833, 866, 952, 980, 1156, 1190, 1445, 1666, 1732, 1960, 2023, 2165, 2312, 2380, 2890, 3031, 3332, 3464, 4046, 4165, 4330, 4760, 5780, 6062, 6664, 7361, 8092, 8330, 8660, 10115, 11560, 12124, 14161, 14722, 15155, 16184, 16660, 17320, 20230, 21217, 24248, 28322, 29444, 30310, 33320, 36805, 40460, 42434, 51527, 56644, 58888, 60620, 70805, 73610, 80920, 84868, 103054, 106085, 113288, 121240, 125137, 141610, 147220, 169736, 206108, 212170, 250274, 257635, 283220, 294440, 360689, 412216, 424340, 500548, 515270, 566440, 625685, 721378, 848680, 875959, 1001096, 1030540, 1251370, 1442756, 1751918, 1803445, 2061080, 2502740, 2885512, 3503836, 3606890, 4379795, 5005480, 6131713, 7007672, 7213780, 8759590, 12263426, 14427560, 17519180, 24526852, 30658565, 35038360, 49053704, 61317130, 122634260, 245268520]

約数ペア:

[(1, 245268520), (2, 122634260), (4, 61317130), (5, 49053704), (7, 35038360), (8, 30658565), (10, 24526852), (14, 17519180), (17, 14427560), (20, 12263426), (28, 8759590), (34, 7213780), (35, 7007672), (40, 6131713), (49, 5005480), (56, 4379795), (68, 3606890), (70, 3503836), (85, 2885512), (98, 2502740), (119, 2061080), (136, 1803445), (140, 1751918), (170, 1442756), (196, 1251370), (238, 1030540), (245, 1001096), (280, 875959), (289, 848680), (340, 721378), (392, 625685), (433, 566440), (476, 515270), (490, 500548), (578, 424340), (595, 412216), (680, 360689), (833, 294440), (866, 283220), (952, 257635), (980, 250274), (1156, 212170), (1190, 206108), (1445, 169736), (1666, 147220), (1732, 141610), (1960, 125137), (2023, 121240), (2165, 113288), (2312, 106085), (2380, 103054), (2890, 84868), (3031, 80920), (3332, 73610), (3464, 70805), (4046, 60620), (4165, 58888), (4330, 56644), (4760, 51527), (5780, 42434), (6062, 40460), (6664, 36805), (7361, 33320), (8092, 30310), (8330, 29444), (8660, 28322), (10115, 24248), (11560, 21217), (12124, 20230), (14161, 17320), (14722, 16660), (15155, 16184)]