19798068100

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{9011}}^1$

素因数の和:9325

約数の個数: 72

約数和(自身を含む): 43555212288

約数和(自身を除く): 23757144188

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 173, 254, 346, 508, 635, 692, 865, 1270, 1730, 2540, 3175, 3460, 4325, 6350, 8650, 9011, 12700, 17300, 18022, 21971, 36044, 43942, 45055, 87884, 90110, 109855, 180220, 219710, 225275, 439420, 450550, 549275, 901100, 1098550, 1144397, 1558903, 2197100, 2288794, 3117806, 4577588, 5721985, 6235612, 7794515, 11443970, 15589030, 22887940, 28609925, 31178060, 38972575, 57219850, 77945150, 114439700, 155890300, 197980681, 395961362, 791922724, 989903405, 1979806810, 3959613620, 4949517025, 9899034050, 19798068100]

約数ペア:

[(1, 19798068100), (2, 9899034050), (4, 4949517025), (5, 3959613620), (10, 1979806810), (20, 989903405), (25, 791922724), (50, 395961362), (100, 197980681), (127, 155890300), (173, 114439700), (254, 77945150), (346, 57219850), (508, 38972575), (635, 31178060), (692, 28609925), (865, 22887940), (1270, 15589030), (1730, 11443970), (2540, 7794515), (3175, 6235612), (3460, 5721985), (4325, 4577588), (6350, 3117806), (8650, 2288794), (9011, 2197100), (12700, 1558903), (17300, 1144397), (18022, 1098550), (21971, 901100), (36044, 549275), (43942, 450550), (45055, 439420), (87884, 225275), (90110, 219710), (109855, 180220)]