1298756590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{5749}}^1$

素因数の和:5845

約数の個数: 64

約数和(自身を含む): 2608200000

約数和(自身を除く): 1309443410

約数列:

[1, 2, 5, 10, 19, 29, 38, 41, 58, 82, 95, 145, 190, 205, 290, 410, 551, 779, 1102, 1189, 1558, 2378, 2755, 3895, 5510, 5749, 5945, 7790, 11498, 11890, 22591, 28745, 45182, 57490, 109231, 112955, 166721, 218462, 225910, 235709, 333442, 471418, 546155, 833605, 1092310, 1178545, 1667210, 2357090, 3167699, 4478471, 6335398, 6835561, 8956942, 13671122, 15838495, 22392355, 31676990, 34177805, 44784710, 68355610, 129875659, 259751318, 649378295, 1298756590]

約数ペア:

[(1, 1298756590), (2, 649378295), (5, 259751318), (10, 129875659), (19, 68355610), (29, 44784710), (38, 34177805), (41, 31676990), (58, 22392355), (82, 15838495), (95, 13671122), (145, 8956942), (190, 6835561), (205, 6335398), (290, 4478471), (410, 3167699), (551, 2357090), (779, 1667210), (1102, 1178545), (1189, 1092310), (1558, 833605), (2378, 546155), (2755, 471418), (3895, 333442), (5510, 235709), (5749, 225910), (5945, 218462), (7790, 166721), (11498, 112955), (11890, 109231), (22591, 57490), (28745, 45182)]