201751120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{401}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 496486080

約数和(自身を除く): 294734960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 331, 380, 401, 662, 760, 802, 1324, 1520, 1604, 1655, 2005, 2648, 3208, 3310, 4010, 5296, 6289, 6416, 6620, 7619, 8020, 12578, 13240, 15238, 16040, 25156, 26480, 30476, 31445, 32080, 38095, 50312, 60952, 62890, 76190, 100624, 121904, 125780, 132731, 152380, 251560, 265462, 304760, 503120, 530924, 609520, 663655, 1061848, 1327310, 2123696, 2521889, 2654620, 5043778, 5309240, 10087556, 10618480, 12609445, 20175112, 25218890, 40350224, 50437780, 100875560, 201751120]

約数ペア:

[(1, 201751120), (2, 100875560), (4, 50437780), (5, 40350224), (8, 25218890), (10, 20175112), (16, 12609445), (19, 10618480), (20, 10087556), (38, 5309240), (40, 5043778), (76, 2654620), (80, 2521889), (95, 2123696), (152, 1327310), (190, 1061848), (304, 663655), (331, 609520), (380, 530924), (401, 503120), (662, 304760), (760, 265462), (802, 251560), (1324, 152380), (1520, 132731), (1604, 125780), (1655, 121904), (2005, 100624), (2648, 76190), (3208, 62890), (3310, 60952), (4010, 50312), (5296, 38095), (6289, 32080), (6416, 31445), (6620, 30476), (7619, 26480), (8020, 25156), (12578, 16040), (13240, 15238)]