197906520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13859}}^1$

素因数の和:13897

約数の個数: 128

約数和(自身を含む): 718502400

約数和(自身を除く): 520595880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 13859, 14280, 27718, 41577, 55436, 69295, 83154, 97013, 110872, 138590, 166308, 194026, 207885, 235603, 277180, 291039, 332616, 388052, 415770, 471206, 485065, 554360, 582078, 706809, 776104, 831540, 942412, 970130, 1164156, 1178015, 1413618, 1455195, 1649221, 1663080, 1884824, 1940260, 2328312, 2356030, 2827236, 2910390, 3298442, 3534045, 3880520, 4712060, 4947663, 5654472, 5820780, 6596884, 7068090, 8246105, 9424120, 9895326, 11641560, 13193768, 14136180, 16492210, 19790652, 24738315, 28272360, 32984420, 39581304, 49476630, 65968840, 98953260, 197906520]

約数ペア:

[(1, 197906520), (2, 98953260), (3, 65968840), (4, 49476630), (5, 39581304), (6, 32984420), (7, 28272360), (8, 24738315), (10, 19790652), (12, 16492210), (14, 14136180), (15, 13193768), (17, 11641560), (20, 9895326), (21, 9424120), (24, 8246105), (28, 7068090), (30, 6596884), (34, 5820780), (35, 5654472), (40, 4947663), (42, 4712060), (51, 3880520), (56, 3534045), (60, 3298442), (68, 2910390), (70, 2827236), (84, 2356030), (85, 2328312), (102, 1940260), (105, 1884824), (119, 1663080), (120, 1649221), (136, 1455195), (140, 1413618), (168, 1178015), (170, 1164156), (204, 970130), (210, 942412), (238, 831540), (255, 776104), (280, 706809), (340, 582078), (357, 554360), (408, 485065), (420, 471206), (476, 415770), (510, 388052), (595, 332616), (680, 291039), (714, 277180), (840, 235603), (952, 207885), (1020, 194026), (1190, 166308), (1428, 138590), (1785, 110872), (2040, 97013), (2380, 83154), (2856, 69295), (3570, 55436), (4760, 41577), (7140, 27718), (13859, 14280)]