197812240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^3\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 80

約数和(自身を含む): 480969216

約数和(自身を除く): 283156976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 83, 124, 155, 166, 248, 310, 332, 415, 496, 620, 664, 830, 961, 1240, 1328, 1660, 1922, 2480, 2573, 3320, 3844, 4805, 5146, 6640, 7688, 9610, 10292, 12865, 15376, 19220, 20584, 25730, 29791, 38440, 41168, 51460, 59582, 76880, 79763, 102920, 119164, 148955, 159526, 205840, 238328, 297910, 319052, 398815, 476656, 595820, 638104, 797630, 1191640, 1276208, 1595260, 2383280, 2472653, 3190520, 4945306, 6381040, 9890612, 12363265, 19781224, 24726530, 39562448, 49453060, 98906120, 197812240]

約数ペア:

[(1, 197812240), (2, 98906120), (4, 49453060), (5, 39562448), (8, 24726530), (10, 19781224), (16, 12363265), (20, 9890612), (31, 6381040), (40, 4945306), (62, 3190520), (80, 2472653), (83, 2383280), (124, 1595260), (155, 1276208), (166, 1191640), (248, 797630), (310, 638104), (332, 595820), (415, 476656), (496, 398815), (620, 319052), (664, 297910), (830, 238328), (961, 205840), (1240, 159526), (1328, 148955), (1660, 119164), (1922, 102920), (2480, 79763), (2573, 76880), (3320, 59582), (3844, 51460), (4805, 41168), (5146, 38440), (6640, 29791), (7688, 25730), (9610, 20584), (10292, 19220), (12865, 15376)]