442567760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{593}}^1$

素因数の和:1116

約数の個数: 80

約数和(自身を含む): 1087162560

約数和(自身を除く): 644594800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 491, 593, 760, 982, 1186, 1520, 1964, 2372, 2455, 2965, 3928, 4744, 4910, 5930, 7856, 9329, 9488, 9820, 11267, 11860, 18658, 19640, 22534, 23720, 37316, 39280, 45068, 46645, 47440, 56335, 74632, 90136, 93290, 112670, 149264, 180272, 186580, 225340, 291163, 373160, 450680, 582326, 746320, 901360, 1164652, 1455815, 2329304, 2911630, 4658608, 5532097, 5823260, 11064194, 11646520, 22128388, 23293040, 27660485, 44256776, 55320970, 88513552, 110641940, 221283880, 442567760]

約数ペア:

[(1, 442567760), (2, 221283880), (4, 110641940), (5, 88513552), (8, 55320970), (10, 44256776), (16, 27660485), (19, 23293040), (20, 22128388), (38, 11646520), (40, 11064194), (76, 5823260), (80, 5532097), (95, 4658608), (152, 2911630), (190, 2329304), (304, 1455815), (380, 1164652), (491, 901360), (593, 746320), (760, 582326), (982, 450680), (1186, 373160), (1520, 291163), (1964, 225340), (2372, 186580), (2455, 180272), (2965, 149264), (3928, 112670), (4744, 93290), (4910, 90136), (5930, 74632), (7856, 56335), (9329, 47440), (9488, 46645), (9820, 45068), (11267, 39280), (11860, 37316), (18658, 23720), (19640, 22534)]