678490076

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{829}}^1$

素因数の和:963

約数の個数: 72

約数和(自身を含む): 1390914000

約数和(自身を除く): 712423924

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 89, 121, 178, 209, 242, 356, 418, 484, 829, 836, 979, 1658, 1691, 1958, 2299, 3316, 3382, 3916, 4598, 6764, 9119, 9196, 10769, 15751, 18238, 18601, 21538, 31502, 36476, 37202, 43076, 63004, 73781, 74404, 100309, 147562, 173261, 200618, 204611, 295124, 346522, 401236, 409222, 693044, 811591, 818444, 1401839, 1623182, 1905871, 2803678, 3246364, 3811742, 5607356, 7623484, 8927501, 15420229, 17855002, 30840458, 35710004, 61680916, 169622519, 339245038, 678490076]

約数ペア:

[(1, 678490076), (2, 339245038), (4, 169622519), (11, 61680916), (19, 35710004), (22, 30840458), (38, 17855002), (44, 15420229), (76, 8927501), (89, 7623484), (121, 5607356), (178, 3811742), (209, 3246364), (242, 2803678), (356, 1905871), (418, 1623182), (484, 1401839), (829, 818444), (836, 811591), (979, 693044), (1658, 409222), (1691, 401236), (1958, 346522), (2299, 295124), (3316, 204611), (3382, 200618), (3916, 173261), (4598, 147562), (6764, 100309), (9119, 74404), (9196, 73781), (10769, 63004), (15751, 43076), (18238, 37202), (18601, 36476), (21538, 31502)]