487691620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{367}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 1168473600

約数和(自身を除く): 680781980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 269, 367, 380, 494, 538, 734, 988, 1076, 1235, 1345, 1468, 1835, 2470, 2690, 3497, 3670, 4771, 4940, 5111, 5380, 6973, 6994, 7340, 9542, 10222, 13946, 13988, 17485, 19084, 20444, 23855, 25555, 27892, 34865, 34970, 47710, 51110, 66443, 69730, 69940, 90649, 95420, 98723, 102220, 132886, 139460, 181298, 197446, 265772, 332215, 362596, 394892, 453245, 493615, 664430, 906490, 987230, 1283399, 1328860, 1812980, 1875737, 1974460, 2566798, 3751474, 5133596, 6416995, 7502948, 9378685, 12833990, 18757370, 24384581, 25667980, 37514740, 48769162, 97538324, 121922905, 243845810, 487691620]

約数ペア:

[(1, 487691620), (2, 243845810), (4, 121922905), (5, 97538324), (10, 48769162), (13, 37514740), (19, 25667980), (20, 24384581), (26, 18757370), (38, 12833990), (52, 9378685), (65, 7502948), (76, 6416995), (95, 5133596), (130, 3751474), (190, 2566798), (247, 1974460), (260, 1875737), (269, 1812980), (367, 1328860), (380, 1283399), (494, 987230), (538, 906490), (734, 664430), (988, 493615), (1076, 453245), (1235, 394892), (1345, 362596), (1468, 332215), (1835, 265772), (2470, 197446), (2690, 181298), (3497, 139460), (3670, 132886), (4771, 102220), (4940, 98723), (5111, 95420), (5380, 90649), (6973, 69940), (6994, 69730), (7340, 66443), (9542, 51110), (10222, 47710), (13946, 34970), (13988, 34865), (17485, 27892), (19084, 25555), (20444, 23855)]