243255220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1025

約数の個数: 72

約数和(自身を含む): 560770560

約数和(自身を除く): 317515340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 169, 260, 316, 338, 395, 676, 790, 845, 911, 1027, 1580, 1690, 1822, 2054, 3380, 3644, 4108, 4555, 5135, 9110, 10270, 11843, 13351, 18220, 20540, 23686, 26702, 47372, 53404, 59215, 66755, 71969, 118430, 133510, 143938, 153959, 236860, 267020, 287876, 307918, 359845, 615836, 719690, 769795, 935597, 1439380, 1539590, 1871194, 3079180, 3742388, 4677985, 9355970, 12162761, 18711940, 24325522, 48651044, 60813805, 121627610, 243255220]

約数ペア:

[(1, 243255220), (2, 121627610), (4, 60813805), (5, 48651044), (10, 24325522), (13, 18711940), (20, 12162761), (26, 9355970), (52, 4677985), (65, 3742388), (79, 3079180), (130, 1871194), (158, 1539590), (169, 1439380), (260, 935597), (316, 769795), (338, 719690), (395, 615836), (676, 359845), (790, 307918), (845, 287876), (911, 267020), (1027, 236860), (1580, 153959), (1690, 143938), (1822, 133510), (2054, 118430), (3380, 71969), (3644, 66755), (4108, 59215), (4555, 53404), (5135, 47372), (9110, 26702), (10270, 23686), (11843, 20540), (13351, 18220)]