77438375

素因数分解:

$5^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 115240320

約数和(自身を除く): 37801945

約数列:

[1, 5, 7, 25, 35, 47, 49, 125, 175, 235, 245, 269, 329, 875, 1175, 1225, 1345, 1645, 1883, 2303, 5875, 6125, 6725, 8225, 9415, 11515, 12643, 13181, 33625, 41125, 47075, 57575, 63215, 65905, 88501, 235375, 287875, 316075, 329525, 442505, 619507, 1580375, 1647625, 2212525, 3097535, 11062625, 15487675, 77438375]

約数ペア:

[(1, 77438375), (5, 15487675), (7, 11062625), (25, 3097535), (35, 2212525), (47, 1647625), (49, 1580375), (125, 619507), (175, 442505), (235, 329525), (245, 316075), (269, 287875), (329, 235375), (875, 88501), (1175, 65905), (1225, 63215), (1345, 57575), (1645, 47075), (1883, 41125), (2303, 33625), (5875, 13181), (6125, 12643), (6725, 11515), (8225, 9415)]