313486550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1613}}^1$

素因数の和:1674

約数の個数: 72

約数和(自身を含む): 659247984

約数和(自身を除く): 345761434

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 169, 230, 299, 325, 338, 575, 598, 650, 845, 1150, 1495, 1613, 1690, 2990, 3226, 3887, 4225, 7475, 7774, 8065, 8450, 14950, 16130, 19435, 20969, 37099, 38870, 40325, 41938, 74198, 80650, 97175, 104845, 185495, 194350, 209690, 272597, 370990, 482287, 524225, 545194, 927475, 964574, 1048450, 1362985, 1854950, 2411435, 2725970, 4822870, 6269731, 6814925, 12057175, 12539462, 13629850, 24114350, 31348655, 62697310, 156743275, 313486550]

約数ペア:

[(1, 313486550), (2, 156743275), (5, 62697310), (10, 31348655), (13, 24114350), (23, 13629850), (25, 12539462), (26, 12057175), (46, 6814925), (50, 6269731), (65, 4822870), (115, 2725970), (130, 2411435), (169, 1854950), (230, 1362985), (299, 1048450), (325, 964574), (338, 927475), (575, 545194), (598, 524225), (650, 482287), (845, 370990), (1150, 272597), (1495, 209690), (1613, 194350), (1690, 185495), (2990, 104845), (3226, 97175), (3887, 80650), (4225, 74198), (7475, 41938), (7774, 40325), (8065, 38870), (8450, 37099), (14950, 20969), (16130, 19435)]