238420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 620928

約数和(自身を除く): 382508

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 131, 140, 182, 260, 262, 364, 455, 524, 655, 910, 917, 1310, 1703, 1820, 1834, 2620, 3406, 3668, 4585, 6812, 8515, 9170, 11921, 17030, 18340, 23842, 34060, 47684, 59605, 119210, 238420]

約数ペア:

[(1, 238420), (2, 119210), (4, 59605), (5, 47684), (7, 34060), (10, 23842), (13, 18340), (14, 17030), (20, 11921), (26, 9170), (28, 8515), (35, 6812), (52, 4585), (65, 3668), (70, 3406), (91, 2620), (130, 1834), (131, 1820), (140, 1703), (182, 1310), (260, 917), (262, 910), (364, 655), (455, 524)]