213576870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1307}}^1$

素因数の和:1749

約数の個数: 64

約数和(自身を含む): 553754880

約数和(自身を除く): 340178010

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 419, 838, 1257, 1307, 2095, 2514, 2614, 3921, 4190, 5447, 6285, 6535, 7842, 10894, 12570, 13070, 16341, 16991, 19605, 27235, 32682, 33982, 39210, 50973, 54470, 81705, 84955, 101946, 163410, 169910, 254865, 509730, 547633, 1095266, 1642899, 2738165, 3285798, 5476330, 7119229, 8214495, 14238458, 16428990, 21357687, 35596145, 42715374, 71192290, 106788435, 213576870]

約数ペア:

[(1, 213576870), (2, 106788435), (3, 71192290), (5, 42715374), (6, 35596145), (10, 21357687), (13, 16428990), (15, 14238458), (26, 8214495), (30, 7119229), (39, 5476330), (65, 3285798), (78, 2738165), (130, 1642899), (195, 1095266), (390, 547633), (419, 509730), (838, 254865), (1257, 169910), (1307, 163410), (2095, 101946), (2514, 84955), (2614, 81705), (3921, 54470), (4190, 50973), (5447, 39210), (6285, 33982), (6535, 32682), (7842, 27235), (10894, 19605), (12570, 16991), (13070, 16341)]