245116620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{27791}}^1$

素因数の和:27820

約数の個数: 108

約数和(自身を含む): 864942624

約数和(自身を除く): 619826004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 27791, 55582, 83373, 111164, 138955, 166746, 194537, 250119, 277910, 333492, 389074, 416865, 500238, 555820, 583611, 778148, 833730, 972685, 1000476, 1167222, 1250595, 1361759, 1667460, 1750833, 1945370, 2334444, 2501190, 2723518, 2918055, 3501666, 3890740, 4085277, 5002380, 5447036, 5836110, 6808795, 7003332, 8170554, 8754165, 11672220, 12255831, 13617590, 16341108, 17508330, 20426385, 24511662, 27235180, 35016660, 40852770, 49023324, 61279155, 81705540, 122558310, 245116620]

約数ペア:

[(1, 245116620), (2, 122558310), (3, 81705540), (4, 61279155), (5, 49023324), (6, 40852770), (7, 35016660), (9, 27235180), (10, 24511662), (12, 20426385), (14, 17508330), (15, 16341108), (18, 13617590), (20, 12255831), (21, 11672220), (28, 8754165), (30, 8170554), (35, 7003332), (36, 6808795), (42, 5836110), (45, 5447036), (49, 5002380), (60, 4085277), (63, 3890740), (70, 3501666), (84, 2918055), (90, 2723518), (98, 2501190), (105, 2334444), (126, 1945370), (140, 1750833), (147, 1667460), (180, 1361759), (196, 1250595), (210, 1167222), (245, 1000476), (252, 972685), (294, 833730), (315, 778148), (420, 583611), (441, 555820), (490, 500238), (588, 416865), (630, 389074), (735, 333492), (882, 277910), (980, 250119), (1260, 194537), (1470, 166746), (1764, 138955), (2205, 111164), (2940, 83373), (4410, 55582), (8820, 27791)]