980492720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2699}}^1$

素因数の和:2970

約数の個数: 80

約数和(自身を含む): 2410560000

約数和(自身を除く): 1430067280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 239, 304, 380, 478, 760, 956, 1195, 1520, 1912, 2390, 2699, 3824, 4541, 4780, 5398, 9082, 9560, 10796, 13495, 18164, 19120, 21592, 22705, 26990, 36328, 43184, 45410, 51281, 53980, 72656, 90820, 102562, 107960, 181640, 205124, 215920, 256405, 363280, 410248, 512810, 645061, 820496, 1025620, 1290122, 2051240, 2580244, 3225305, 4102480, 5160488, 6450610, 10320976, 12256159, 12901220, 24512318, 25802440, 49024636, 51604880, 61280795, 98049272, 122561590, 196098544, 245123180, 490246360, 980492720]

約数ペア:

[(1, 980492720), (2, 490246360), (4, 245123180), (5, 196098544), (8, 122561590), (10, 98049272), (16, 61280795), (19, 51604880), (20, 49024636), (38, 25802440), (40, 24512318), (76, 12901220), (80, 12256159), (95, 10320976), (152, 6450610), (190, 5160488), (239, 4102480), (304, 3225305), (380, 2580244), (478, 2051240), (760, 1290122), (956, 1025620), (1195, 820496), (1520, 645061), (1912, 512810), (2390, 410248), (2699, 363280), (3824, 256405), (4541, 215920), (4780, 205124), (5398, 181640), (9082, 107960), (9560, 102562), (10796, 90820), (13495, 72656), (18164, 53980), (19120, 51281), (21592, 45410), (22705, 43184), (26990, 36328)]