123780488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 259459200

約数和(自身を除く): 135678712

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 89, 104, 172, 178, 311, 344, 356, 559, 622, 712, 1118, 1157, 1244, 2236, 2314, 2488, 3827, 4043, 4472, 4628, 7654, 8086, 9256, 13373, 15308, 16172, 26746, 27679, 30616, 32344, 49751, 53492, 55358, 99502, 106984, 110716, 173849, 199004, 221432, 347698, 359827, 398008, 695396, 719654, 1190197, 1390792, 1439308, 2380394, 2878616, 4760788, 9521576, 15472561, 30945122, 61890244, 123780488]

約数ペア:

[(1, 123780488), (2, 61890244), (4, 30945122), (8, 15472561), (13, 9521576), (26, 4760788), (43, 2878616), (52, 2380394), (86, 1439308), (89, 1390792), (104, 1190197), (172, 719654), (178, 695396), (311, 398008), (344, 359827), (356, 347698), (559, 221432), (622, 199004), (712, 173849), (1118, 110716), (1157, 106984), (1244, 99502), (2236, 55358), (2314, 53492), (2488, 49751), (3827, 32344), (4043, 30616), (4472, 27679), (4628, 26746), (7654, 16172), (8086, 15308), (9256, 13373)]