89809010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 177292800

約数和(自身を除く): 87483790

約数列:

[1, 2, 5, 10, 19, 38, 47, 89, 94, 95, 113, 178, 190, 226, 235, 445, 470, 565, 890, 893, 1130, 1691, 1786, 2147, 3382, 4183, 4294, 4465, 5311, 8366, 8455, 8930, 10057, 10622, 10735, 16910, 20114, 20915, 21470, 26555, 41830, 50285, 53110, 79477, 100570, 100909, 158954, 191083, 201818, 382166, 397385, 472679, 504545, 794770, 945358, 955415, 1009090, 1910830, 2363395, 4726790, 8980901, 17961802, 44904505, 89809010]

約数ペア:

[(1, 89809010), (2, 44904505), (5, 17961802), (10, 8980901), (19, 4726790), (38, 2363395), (47, 1910830), (89, 1009090), (94, 955415), (95, 945358), (113, 794770), (178, 504545), (190, 472679), (226, 397385), (235, 382166), (445, 201818), (470, 191083), (565, 158954), (890, 100909), (893, 100570), (1130, 79477), (1691, 53110), (1786, 50285), (2147, 41830), (3382, 26555), (4183, 21470), (4294, 20915), (4465, 20114), (5311, 16910), (8366, 10735), (8455, 10622), (8930, 10057)]