9989910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 30169152

約数和(自身を除く): 20179242

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 101, 105, 126, 157, 202, 210, 303, 314, 315, 471, 505, 606, 630, 707, 785, 909, 942, 1010, 1099, 1413, 1414, 1515, 1570, 1818, 2121, 2198, 2355, 2826, 3030, 3297, 3535, 4242, 4545, 4710, 5495, 6363, 6594, 7065, 7070, 9090, 9891, 10605, 10990, 12726, 14130, 15857, 16485, 19782, 21210, 31714, 31815, 32970, 47571, 49455, 63630, 79285, 95142, 98910, 110999, 142713, 158570, 221998, 237855, 285426, 332997, 475710, 554995, 665994, 713565, 998991, 1109990, 1427130, 1664985, 1997982, 3329970, 4994955, 9989910]

約数ペア:

[(1, 9989910), (2, 4994955), (3, 3329970), (5, 1997982), (6, 1664985), (7, 1427130), (9, 1109990), (10, 998991), (14, 713565), (15, 665994), (18, 554995), (21, 475710), (30, 332997), (35, 285426), (42, 237855), (45, 221998), (63, 158570), (70, 142713), (90, 110999), (101, 98910), (105, 95142), (126, 79285), (157, 63630), (202, 49455), (210, 47571), (303, 32970), (314, 31815), (315, 31714), (471, 21210), (505, 19782), (606, 16485), (630, 15857), (707, 14130), (785, 12726), (909, 10990), (942, 10605), (1010, 9891), (1099, 9090), (1413, 7070), (1414, 7065), (1515, 6594), (1570, 6363), (1818, 5495), (2121, 4710), (2198, 4545), (2355, 4242), (2826, 3535), (3030, 3297)]