305874140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{106949}}^1$

素因数の和:106982

約数の個数: 48

約数和(自身を含む): 754639200

約数和(自身を除く): 448765060

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 106949, 213898, 427796, 534745, 1069490, 1176439, 1390337, 2138980, 2352878, 2780674, 4705756, 5561348, 5882195, 6951685, 11764390, 13903370, 15293707, 23528780, 27806740, 30587414, 61174828, 76468535, 152937070, 305874140]

約数ペア:

[(1, 305874140), (2, 152937070), (4, 76468535), (5, 61174828), (10, 30587414), (11, 27806740), (13, 23528780), (20, 15293707), (22, 13903370), (26, 11764390), (44, 6951685), (52, 5882195), (55, 5561348), (65, 4705756), (110, 2780674), (130, 2352878), (143, 2138980), (220, 1390337), (260, 1176439), (286, 1069490), (572, 534745), (715, 427796), (1430, 213898), (2860, 106949)]