254032660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1998

約数の個数: 96

約数和(自身を含む): 655200000

約数和(自身を除く): 401167340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 343, 380, 490, 532, 665, 686, 931, 980, 1330, 1372, 1715, 1862, 1949, 2660, 3430, 3724, 3898, 4655, 6517, 6860, 7796, 9310, 9745, 13034, 13643, 18620, 19490, 26068, 27286, 32585, 37031, 38980, 54572, 65170, 68215, 74062, 95501, 130340, 136430, 148124, 185155, 191002, 259217, 272860, 370310, 382004, 477505, 518434, 668507, 740620, 955010, 1036868, 1296085, 1337014, 1814519, 1910020, 2592170, 2674028, 3342535, 3629038, 5184340, 6685070, 7258076, 9072595, 12701633, 13370140, 18145190, 25403266, 36290380, 50806532, 63508165, 127016330, 254032660]

約数ペア:

[(1, 254032660), (2, 127016330), (4, 63508165), (5, 50806532), (7, 36290380), (10, 25403266), (14, 18145190), (19, 13370140), (20, 12701633), (28, 9072595), (35, 7258076), (38, 6685070), (49, 5184340), (70, 3629038), (76, 3342535), (95, 2674028), (98, 2592170), (133, 1910020), (140, 1814519), (190, 1337014), (196, 1296085), (245, 1036868), (266, 955010), (343, 740620), (380, 668507), (490, 518434), (532, 477505), (665, 382004), (686, 370310), (931, 272860), (980, 259217), (1330, 191002), (1372, 185155), (1715, 148124), (1862, 136430), (1949, 130340), (2660, 95501), (3430, 74062), (3724, 68215), (3898, 65170), (4655, 54572), (6517, 38980), (6860, 37031), (7796, 32585), (9310, 27286), (9745, 26068), (13034, 19490), (13643, 18620)]