170990420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{16223}}^1$

素因数の和:16280

約数の個数: 48

約数和(自身を含む): 392491008

約数和(自身を除く): 221500588

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 16223, 32446, 64892, 81115, 162230, 275791, 324460, 502913, 551582, 1005826, 1103164, 1378955, 2011652, 2514565, 2757910, 5029130, 5515820, 8549521, 10058260, 17099042, 34198084, 42747605, 85495210, 170990420]

約数ペア:

[(1, 170990420), (2, 85495210), (4, 42747605), (5, 34198084), (10, 17099042), (17, 10058260), (20, 8549521), (31, 5515820), (34, 5029130), (62, 2757910), (68, 2514565), (85, 2011652), (124, 1378955), (155, 1103164), (170, 1005826), (310, 551582), (340, 502913), (527, 324460), (620, 275791), (1054, 162230), (2108, 81115), (2635, 64892), (5270, 32446), (10540, 16223)]