181880650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1304

約数の個数: 72

約数和(自身を含む): 400310316

約数和(自身を除く): 218429666

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 61, 70, 98, 122, 175, 245, 305, 350, 427, 490, 610, 854, 1217, 1225, 1525, 2135, 2434, 2450, 2989, 3050, 4270, 5978, 6085, 8519, 10675, 12170, 14945, 17038, 21350, 29890, 30425, 42595, 59633, 60850, 74237, 74725, 85190, 119266, 148474, 149450, 212975, 298165, 371185, 425950, 519659, 596330, 742370, 1039318, 1490825, 1855925, 2598295, 2981650, 3637613, 3711850, 5196590, 7275226, 12991475, 18188065, 25982950, 36376130, 90940325, 181880650]

約数ペア:

[(1, 181880650), (2, 90940325), (5, 36376130), (7, 25982950), (10, 18188065), (14, 12991475), (25, 7275226), (35, 5196590), (49, 3711850), (50, 3637613), (61, 2981650), (70, 2598295), (98, 1855925), (122, 1490825), (175, 1039318), (245, 742370), (305, 596330), (350, 519659), (427, 425950), (490, 371185), (610, 298165), (854, 212975), (1217, 149450), (1225, 148474), (1525, 119266), (2135, 85190), (2434, 74725), (2450, 74237), (2989, 60850), (3050, 59633), (4270, 42595), (5978, 30425), (6085, 29890), (8519, 21350), (10675, 17038), (12170, 14945)]