7943900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 18800880

約数和(自身を除く): 10856980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 113, 148, 185, 190, 226, 370, 380, 452, 475, 565, 703, 740, 925, 950, 1130, 1406, 1850, 1900, 2147, 2260, 2812, 2825, 3515, 3700, 4181, 4294, 5650, 7030, 8362, 8588, 10735, 11300, 14060, 16724, 17575, 20905, 21470, 35150, 41810, 42940, 53675, 70300, 79439, 83620, 104525, 107350, 158878, 209050, 214700, 317756, 397195, 418100, 794390, 1588780, 1985975, 3971950, 7943900]

約数ペア:

[(1, 7943900), (2, 3971950), (4, 1985975), (5, 1588780), (10, 794390), (19, 418100), (20, 397195), (25, 317756), (37, 214700), (38, 209050), (50, 158878), (74, 107350), (76, 104525), (95, 83620), (100, 79439), (113, 70300), (148, 53675), (185, 42940), (190, 41810), (226, 35150), (370, 21470), (380, 20905), (452, 17575), (475, 16724), (565, 14060), (703, 11300), (740, 10735), (925, 8588), (950, 8362), (1130, 7030), (1406, 5650), (1850, 4294), (1900, 4181), (2147, 3700), (2260, 3515), (2812, 2825)]