204922980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19973}}^1$

素因数の和:20010

約数の個数: 96

約数和(自身を含む): 671126400

約数和(自身を除く): 466203420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 19973, 39946, 59919, 79892, 99865, 119838, 179757, 199730, 239676, 299595, 359514, 379487, 399460, 539271, 599190, 719028, 758974, 898785, 1078542, 1138461, 1198380, 1517948, 1797570, 1897435, 2157084, 2276922, 2696355, 3415383, 3595140, 3794870, 4553844, 5392710, 5692305, 6830766, 7589740, 10246149, 10785420, 11384610, 13661532, 17076915, 20492298, 22769220, 34153830, 40984596, 51230745, 68307660, 102461490, 204922980]

約数ペア:

[(1, 204922980), (2, 102461490), (3, 68307660), (4, 51230745), (5, 40984596), (6, 34153830), (9, 22769220), (10, 20492298), (12, 17076915), (15, 13661532), (18, 11384610), (19, 10785420), (20, 10246149), (27, 7589740), (30, 6830766), (36, 5692305), (38, 5392710), (45, 4553844), (54, 3794870), (57, 3595140), (60, 3415383), (76, 2696355), (90, 2276922), (95, 2157084), (108, 1897435), (114, 1797570), (135, 1517948), (171, 1198380), (180, 1138461), (190, 1078542), (228, 898785), (270, 758974), (285, 719028), (342, 599190), (380, 539271), (513, 399460), (540, 379487), (570, 359514), (684, 299595), (855, 239676), (1026, 199730), (1140, 179757), (1710, 119838), (2052, 99865), (2565, 79892), (3420, 59919), (5130, 39946), (10260, 19973)]