17899420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 30000740

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 59, 70, 77, 110, 118, 140, 154, 197, 220, 236, 295, 308, 385, 394, 413, 590, 649, 770, 788, 826, 985, 1180, 1298, 1379, 1540, 1652, 1970, 2065, 2167, 2596, 2758, 3245, 3940, 4130, 4334, 4543, 5516, 6490, 6895, 8260, 8668, 9086, 10835, 11623, 12980, 13790, 15169, 18172, 21670, 22715, 23246, 27580, 30338, 43340, 45430, 46492, 58115, 60676, 75845, 81361, 90860, 116230, 127853, 151690, 162722, 232460, 255706, 303380, 325444, 406805, 511412, 639265, 813610, 894971, 1278530, 1627220, 1789942, 2557060, 3579884, 4474855, 8949710, 17899420]

約数ペア:

[(1, 17899420), (2, 8949710), (4, 4474855), (5, 3579884), (7, 2557060), (10, 1789942), (11, 1627220), (14, 1278530), (20, 894971), (22, 813610), (28, 639265), (35, 511412), (44, 406805), (55, 325444), (59, 303380), (70, 255706), (77, 232460), (110, 162722), (118, 151690), (140, 127853), (154, 116230), (197, 90860), (220, 81361), (236, 75845), (295, 60676), (308, 58115), (385, 46492), (394, 45430), (413, 43340), (590, 30338), (649, 27580), (770, 23246), (788, 22715), (826, 21670), (985, 18172), (1180, 15169), (1298, 13790), (1379, 12980), (1540, 11623), (1652, 10835), (1970, 9086), (2065, 8668), (2167, 8260), (2596, 6895), (2758, 6490), (3245, 5516), (3940, 4543), (4130, 4334)]