2149663075

素因数分解:

$5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 3186254400

約数和(自身を除く): 1036591325

約数列:

[1, 5, 7, 25, 35, 49, 79, 97, 175, 229, 245, 395, 485, 553, 679, 1145, 1225, 1603, 1975, 2425, 2765, 3395, 3871, 4753, 5725, 7663, 8015, 11221, 13825, 16975, 18091, 19355, 22213, 23765, 38315, 40075, 53641, 56105, 90455, 96775, 111065, 118825, 126637, 155491, 191575, 268205, 280525, 375487, 452275, 555325, 633185, 777455, 886459, 1088437, 1341025, 1754827, 1877435, 3165925, 3887275, 4432295, 5442185, 8774135, 9387175, 12283789, 22161475, 27210925, 43870675, 61418945, 85986523, 307094725, 429932615, 2149663075]

約数ペア:

[(1, 2149663075), (5, 429932615), (7, 307094725), (25, 85986523), (35, 61418945), (49, 43870675), (79, 27210925), (97, 22161475), (175, 12283789), (229, 9387175), (245, 8774135), (395, 5442185), (485, 4432295), (553, 3887275), (679, 3165925), (1145, 1877435), (1225, 1754827), (1603, 1341025), (1975, 1088437), (2425, 886459), (2765, 777455), (3395, 633185), (3871, 555325), (4753, 452275), (5725, 375487), (7663, 280525), (8015, 268205), (11221, 191575), (13825, 155491), (16975, 126637), (18091, 118825), (19355, 111065), (22213, 96775), (23765, 90455), (38315, 56105), (40075, 53641)]