30742390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{457}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 65490336

約数和(自身を除く): 34747946

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 457, 914, 961, 1085, 1922, 2170, 2285, 3199, 4570, 4805, 6398, 6727, 9610, 13454, 14167, 15995, 28334, 31990, 33635, 67270, 70835, 99169, 141670, 198338, 439177, 495845, 878354, 991690, 2195885, 3074239, 4391770, 6148478, 15371195, 30742390]

約数ペア:

[(1, 30742390), (2, 15371195), (5, 6148478), (7, 4391770), (10, 3074239), (14, 2195885), (31, 991690), (35, 878354), (62, 495845), (70, 439177), (155, 198338), (217, 141670), (310, 99169), (434, 70835), (457, 67270), (914, 33635), (961, 31990), (1085, 28334), (1922, 15995), (2170, 14167), (2285, 13454), (3199, 9610), (4570, 6727), (4805, 6398)]