78366700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 179207280

約数和(自身を除く): 100840580

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 61, 100, 116, 122, 145, 244, 290, 305, 443, 580, 610, 725, 886, 1220, 1450, 1525, 1769, 1772, 2215, 2900, 3050, 3538, 4430, 6100, 7076, 8845, 8860, 11075, 12847, 17690, 22150, 25694, 27023, 35380, 44225, 44300, 51388, 54046, 64235, 88450, 108092, 128470, 135115, 176900, 256940, 270230, 321175, 540460, 642350, 675575, 783667, 1284700, 1351150, 1567334, 2702300, 3134668, 3918335, 7836670, 15673340, 19591675, 39183350, 78366700]

約数ペア:

[(1, 78366700), (2, 39183350), (4, 19591675), (5, 15673340), (10, 7836670), (20, 3918335), (25, 3134668), (29, 2702300), (50, 1567334), (58, 1351150), (61, 1284700), (100, 783667), (116, 675575), (122, 642350), (145, 540460), (244, 321175), (290, 270230), (305, 256940), (443, 176900), (580, 135115), (610, 128470), (725, 108092), (886, 88450), (1220, 64235), (1450, 54046), (1525, 51388), (1769, 44300), (1772, 44225), (2215, 35380), (2900, 27023), (3050, 25694), (3538, 22150), (4430, 17690), (6100, 12847), (7076, 11075), (8845, 8860)]