489496540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1$

素因数の和:1087

約数の個数: 96

約数和(自身を含む): 1159329024

約数和(自身を除く): 669832484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 47, 52, 65, 82, 94, 130, 164, 188, 205, 235, 260, 410, 470, 533, 611, 820, 940, 977, 1066, 1222, 1927, 1954, 2132, 2444, 2665, 3055, 3854, 3908, 4885, 5330, 6110, 7708, 9635, 9770, 10660, 12220, 12701, 19270, 19540, 25051, 25402, 38540, 40057, 45919, 50102, 50804, 63505, 80114, 91838, 100204, 125255, 127010, 160228, 183676, 200285, 229595, 250510, 254020, 400570, 459190, 501020, 520741, 596947, 801140, 918380, 1041482, 1193894, 1882679, 2082964, 2387788, 2603705, 2984735, 3765358, 5207410, 5969470, 7530716, 9413395, 10414820, 11938940, 18826790, 24474827, 37653580, 48949654, 97899308, 122374135, 244748270, 489496540]

約数ペア:

[(1, 489496540), (2, 244748270), (4, 122374135), (5, 97899308), (10, 48949654), (13, 37653580), (20, 24474827), (26, 18826790), (41, 11938940), (47, 10414820), (52, 9413395), (65, 7530716), (82, 5969470), (94, 5207410), (130, 3765358), (164, 2984735), (188, 2603705), (205, 2387788), (235, 2082964), (260, 1882679), (410, 1193894), (470, 1041482), (533, 918380), (611, 801140), (820, 596947), (940, 520741), (977, 501020), (1066, 459190), (1222, 400570), (1927, 254020), (1954, 250510), (2132, 229595), (2444, 200285), (2665, 183676), (3055, 160228), (3854, 127010), (3908, 125255), (4885, 100204), (5330, 91838), (6110, 80114), (7708, 63505), (9635, 50804), (9770, 50102), (10660, 45919), (12220, 40057), (12701, 38540), (19270, 25402), (19540, 25051)]