697012720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3299}}^1$

素因数の和:3470

約数の個数: 80

約数和(自身を含む): 1718640000

約数和(自身を除く): 1021627280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 139, 152, 190, 278, 304, 380, 556, 695, 760, 1112, 1390, 1520, 2224, 2641, 2780, 3299, 5282, 5560, 6598, 10564, 11120, 13196, 13205, 16495, 21128, 26392, 26410, 32990, 42256, 52784, 52820, 62681, 65980, 105640, 125362, 131960, 211280, 250724, 263920, 313405, 458561, 501448, 626810, 917122, 1002896, 1253620, 1834244, 2292805, 2507240, 3668488, 4585610, 5014480, 7336976, 8712659, 9171220, 17425318, 18342440, 34850636, 36684880, 43563295, 69701272, 87126590, 139402544, 174253180, 348506360, 697012720]

約数ペア:

[(1, 697012720), (2, 348506360), (4, 174253180), (5, 139402544), (8, 87126590), (10, 69701272), (16, 43563295), (19, 36684880), (20, 34850636), (38, 18342440), (40, 17425318), (76, 9171220), (80, 8712659), (95, 7336976), (139, 5014480), (152, 4585610), (190, 3668488), (278, 2507240), (304, 2292805), (380, 1834244), (556, 1253620), (695, 1002896), (760, 917122), (1112, 626810), (1390, 501448), (1520, 458561), (2224, 313405), (2641, 263920), (2780, 250724), (3299, 211280), (5282, 131960), (5560, 125362), (6598, 105640), (10564, 65980), (11120, 62681), (13196, 52820), (13205, 52784), (16495, 42256), (21128, 32990), (26392, 26410)]