258969760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{231223}}^1$

素因数の和:231245

約数の個数: 48

約数和(自身を含む): 699221376

約数和(自身を除く): 440251616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 231223, 462446, 924892, 1156115, 1618561, 1849784, 2312230, 3237122, 3699568, 4624460, 6474244, 7399136, 8092805, 9248920, 12948488, 16185610, 18497840, 25896976, 32371220, 36995680, 51793952, 64742440, 129484880, 258969760]

約数ペア:

[(1, 258969760), (2, 129484880), (4, 64742440), (5, 51793952), (7, 36995680), (8, 32371220), (10, 25896976), (14, 18497840), (16, 16185610), (20, 12948488), (28, 9248920), (32, 8092805), (35, 7399136), (40, 6474244), (56, 4624460), (70, 3699568), (80, 3237122), (112, 2312230), (140, 1849784), (160, 1618561), (224, 1156115), (280, 924892), (560, 462446), (1120, 231223)]