248253460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{136403}}^1$

素因数の和:136432

約数の個数: 48

約数和(自身を含む): 641644416

約数和(自身を除く): 393390956

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 136403, 272806, 545612, 682015, 954821, 1364030, 1773239, 1909642, 2728060, 3546478, 3819284, 4774105, 7092956, 8866195, 9548210, 12412673, 17732390, 19096420, 24825346, 35464780, 49650692, 62063365, 124126730, 248253460]

約数ペア:

[(1, 248253460), (2, 124126730), (4, 62063365), (5, 49650692), (7, 35464780), (10, 24825346), (13, 19096420), (14, 17732390), (20, 12412673), (26, 9548210), (28, 8866195), (35, 7092956), (52, 4774105), (65, 3819284), (70, 3546478), (91, 2728060), (130, 1909642), (140, 1773239), (182, 1364030), (260, 954821), (364, 682015), (455, 545612), (910, 272806), (1820, 136403)]