309998988

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{24533}}^1$

素因数の和:24565

約数の個数: 72

約数和(自身を含む): 875176848

約数和(自身を除く): 565177860

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 2106, 3159, 4212, 6318, 12636, 24533, 49066, 73599, 98132, 147198, 220797, 294396, 318929, 441594, 637858, 662391, 883188, 956787, 1275716, 1324782, 1913574, 1987173, 2649564, 2870361, 3827148, 3974346, 5740722, 5961519, 7948692, 8611083, 11481444, 11923038, 17222166, 23846076, 25833249, 34444332, 51666498, 77499747, 103332996, 154999494, 309998988]

約数ペア:

[(1, 309998988), (2, 154999494), (3, 103332996), (4, 77499747), (6, 51666498), (9, 34444332), (12, 25833249), (13, 23846076), (18, 17222166), (26, 11923038), (27, 11481444), (36, 8611083), (39, 7948692), (52, 5961519), (54, 5740722), (78, 3974346), (81, 3827148), (108, 2870361), (117, 2649564), (156, 1987173), (162, 1913574), (234, 1324782), (243, 1275716), (324, 956787), (351, 883188), (468, 662391), (486, 637858), (702, 441594), (972, 318929), (1053, 294396), (1404, 220797), (2106, 147198), (3159, 98132), (4212, 73599), (6318, 49066), (12636, 24533)]