407377100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16493}}^1$

素因数の和:16539

約数の個数: 72

約数和(自身を含む): 1002175440

約数和(自身を除く): 594798340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 4940, 6175, 12350, 16493, 24700, 32986, 65972, 82465, 164930, 214409, 313367, 329860, 412325, 428818, 626734, 824650, 857636, 1072045, 1253468, 1566835, 1649300, 2144090, 3133670, 4073771, 4288180, 5360225, 6267340, 7834175, 8147542, 10720450, 15668350, 16295084, 20368855, 21440900, 31336700, 40737710, 81475420, 101844275, 203688550, 407377100]

約数ペア:

[(1, 407377100), (2, 203688550), (4, 101844275), (5, 81475420), (10, 40737710), (13, 31336700), (19, 21440900), (20, 20368855), (25, 16295084), (26, 15668350), (38, 10720450), (50, 8147542), (52, 7834175), (65, 6267340), (76, 5360225), (95, 4288180), (100, 4073771), (130, 3133670), (190, 2144090), (247, 1649300), (260, 1566835), (325, 1253468), (380, 1072045), (475, 857636), (494, 824650), (650, 626734), (950, 428818), (988, 412325), (1235, 329860), (1300, 313367), (1900, 214409), (2470, 164930), (4940, 82465), (6175, 65972), (12350, 32986), (16493, 24700)]