131770100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 362060160

約数和(自身を除く): 230290060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 109, 110, 140, 154, 157, 175, 218, 220, 275, 308, 314, 350, 385, 436, 545, 550, 628, 700, 763, 770, 785, 1090, 1099, 1100, 1199, 1526, 1540, 1570, 1727, 1925, 2180, 2198, 2398, 2725, 3052, 3140, 3454, 3815, 3850, 3925, 4396, 4796, 5450, 5495, 5995, 6908, 7630, 7700, 7850, 8393, 8635, 10900, 10990, 11990, 12089, 15260, 15700, 16786, 17113, 17270, 19075, 21980, 23980, 24178, 27475, 29975, 33572, 34226, 34540, 38150, 41965, 43175, 48356, 54950, 59950, 60445, 68452, 76300, 83930, 85565, 86350, 109900, 119791, 119900, 120890, 167860, 171130, 172700, 188243, 209825, 239582, 241780, 302225, 342260, 376486, 419650, 427825, 479164, 598955, 604450, 752972, 839300, 855650, 941215, 1197910, 1208900, 1317701, 1711300, 1882430, 2395820, 2635402, 2994775, 3764860, 4706075, 5270804, 5989550, 6588505, 9412150, 11979100, 13177010, 18824300, 26354020, 32942525, 65885050, 131770100]

約数ペア:

[(1, 131770100), (2, 65885050), (4, 32942525), (5, 26354020), (7, 18824300), (10, 13177010), (11, 11979100), (14, 9412150), (20, 6588505), (22, 5989550), (25, 5270804), (28, 4706075), (35, 3764860), (44, 2994775), (50, 2635402), (55, 2395820), (70, 1882430), (77, 1711300), (100, 1317701), (109, 1208900), (110, 1197910), (140, 941215), (154, 855650), (157, 839300), (175, 752972), (218, 604450), (220, 598955), (275, 479164), (308, 427825), (314, 419650), (350, 376486), (385, 342260), (436, 302225), (545, 241780), (550, 239582), (628, 209825), (700, 188243), (763, 172700), (770, 171130), (785, 167860), (1090, 120890), (1099, 119900), (1100, 119791), (1199, 109900), (1526, 86350), (1540, 85565), (1570, 83930), (1727, 76300), (1925, 68452), (2180, 60445), (2198, 59950), (2398, 54950), (2725, 48356), (3052, 43175), (3140, 41965), (3454, 38150), (3815, 34540), (3850, 34226), (3925, 33572), (4396, 29975), (4796, 27475), (5450, 24178), (5495, 23980), (5995, 21980), (6908, 19075), (7630, 17270), (7700, 17113), (7850, 16786), (8393, 15700), (8635, 15260), (10900, 12089), (10990, 11990)]