51000425

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 81423360

約数和(自身を除く): 30422935

約数列:

[1, 5, 7, 17, 25, 31, 35, 49, 79, 85, 119, 155, 175, 217, 245, 395, 425, 527, 553, 595, 775, 833, 1085, 1225, 1343, 1519, 1975, 2449, 2635, 2765, 2975, 3689, 3871, 4165, 5425, 6715, 7595, 9401, 12245, 13175, 13825, 17143, 18445, 19355, 20825, 25823, 33575, 37975, 41633, 47005, 61225, 65807, 85715, 92225, 96775, 120001, 129115, 208165, 235025, 291431, 329035, 428575, 600005, 645575, 1040825, 1457155, 1645175, 2040017, 3000025, 7285775, 10200085, 51000425]

約数ペア:

[(1, 51000425), (5, 10200085), (7, 7285775), (17, 3000025), (25, 2040017), (31, 1645175), (35, 1457155), (49, 1040825), (79, 645575), (85, 600005), (119, 428575), (155, 329035), (175, 291431), (217, 235025), (245, 208165), (395, 129115), (425, 120001), (527, 96775), (553, 92225), (595, 85715), (775, 65807), (833, 61225), (1085, 47005), (1225, 41633), (1343, 37975), (1519, 33575), (1975, 25823), (2449, 20825), (2635, 19355), (2765, 18445), (2975, 17143), (3689, 13825), (3871, 13175), (4165, 12245), (5425, 9401), (6715, 7595)]