102998740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 242016768

約数和(自身を除く): 139018028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 806, 845, 983, 1612, 1690, 1966, 2015, 3380, 3932, 4030, 4915, 5239, 8060, 9830, 10478, 12779, 19660, 20956, 25558, 26195, 30473, 51116, 52390, 60946, 63895, 104780, 121892, 127790, 152365, 166127, 255580, 304730, 332254, 396149, 609460, 664508, 792298, 830635, 1584596, 1661270, 1980745, 3322540, 3961490, 5149937, 7922980, 10299874, 20599748, 25749685, 51499370, 102998740]

約数ペア:

[(1, 102998740), (2, 51499370), (4, 25749685), (5, 20599748), (10, 10299874), (13, 7922980), (20, 5149937), (26, 3961490), (31, 3322540), (52, 1980745), (62, 1661270), (65, 1584596), (124, 830635), (130, 792298), (155, 664508), (169, 609460), (260, 396149), (310, 332254), (338, 304730), (403, 255580), (620, 166127), (676, 152365), (806, 127790), (845, 121892), (983, 104780), (1612, 63895), (1690, 60946), (1966, 52390), (2015, 51116), (3380, 30473), (3932, 26195), (4030, 25558), (4915, 20956), (5239, 19660), (8060, 12779), (9830, 10478)]