197041900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 507904992

約数和(自身を除く): 310863092

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 41, 44, 50, 55, 68, 82, 85, 100, 110, 164, 170, 187, 205, 220, 257, 275, 340, 374, 410, 425, 451, 514, 550, 697, 748, 820, 850, 902, 935, 1025, 1028, 1100, 1285, 1394, 1700, 1804, 1870, 2050, 2255, 2570, 2788, 2827, 3485, 3740, 4100, 4369, 4510, 4675, 5140, 5654, 6425, 6970, 7667, 8738, 9020, 9350, 10537, 11275, 11308, 12850, 13940, 14135, 15334, 17425, 17476, 18700, 21074, 21845, 22550, 25700, 28270, 30668, 34850, 38335, 42148, 43690, 45100, 48059, 52685, 56540, 69700, 70675, 76670, 87380, 96118, 105370, 109225, 115907, 141350, 153340, 179129, 191675, 192236, 210740, 218450, 231814, 240295, 263425, 282700, 358258, 383350, 436900, 463628, 480590, 526850, 579535, 716516, 766700, 895645, 961180, 1053700, 1159070, 1201475, 1791290, 1970419, 2318140, 2402950, 2897675, 3582580, 3940838, 4478225, 4805900, 5795350, 7881676, 8956450, 9852095, 11590700, 17912900, 19704190, 39408380, 49260475, 98520950, 197041900]

約数ペア:

[(1, 197041900), (2, 98520950), (4, 49260475), (5, 39408380), (10, 19704190), (11, 17912900), (17, 11590700), (20, 9852095), (22, 8956450), (25, 7881676), (34, 5795350), (41, 4805900), (44, 4478225), (50, 3940838), (55, 3582580), (68, 2897675), (82, 2402950), (85, 2318140), (100, 1970419), (110, 1791290), (164, 1201475), (170, 1159070), (187, 1053700), (205, 961180), (220, 895645), (257, 766700), (275, 716516), (340, 579535), (374, 526850), (410, 480590), (425, 463628), (451, 436900), (514, 383350), (550, 358258), (697, 282700), (748, 263425), (820, 240295), (850, 231814), (902, 218450), (935, 210740), (1025, 192236), (1028, 191675), (1100, 179129), (1285, 153340), (1394, 141350), (1700, 115907), (1804, 109225), (1870, 105370), (2050, 96118), (2255, 87380), (2570, 76670), (2788, 70675), (2827, 69700), (3485, 56540), (3740, 52685), (4100, 48059), (4369, 45100), (4510, 43690), (4675, 42148), (5140, 38335), (5654, 34850), (6425, 30668), (6970, 28270), (7667, 25700), (8738, 22550), (9020, 21845), (9350, 21074), (10537, 18700), (11275, 17476), (11308, 17425), (12850, 15334), (13940, 14135)]