668889004

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1949}}^1$

素因数の和:2087

約数の個数: 72

約数和(自身を含む): 1456509600

約数和(自身を除く): 787620596

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 103, 119, 196, 206, 238, 412, 476, 721, 833, 1442, 1666, 1751, 1949, 2884, 3332, 3502, 3898, 5047, 7004, 7796, 10094, 12257, 13643, 20188, 24514, 27286, 33133, 49028, 54572, 66266, 85799, 95501, 132532, 171598, 191002, 200747, 231931, 343196, 382004, 401494, 463862, 802988, 927724, 1405229, 1623517, 2810458, 3247034, 3412699, 5620916, 6494068, 6825398, 9836603, 13650796, 19673206, 23888893, 39346412, 47777786, 95555572, 167222251, 334444502, 668889004]

約数ペア:

[(1, 668889004), (2, 334444502), (4, 167222251), (7, 95555572), (14, 47777786), (17, 39346412), (28, 23888893), (34, 19673206), (49, 13650796), (68, 9836603), (98, 6825398), (103, 6494068), (119, 5620916), (196, 3412699), (206, 3247034), (238, 2810458), (412, 1623517), (476, 1405229), (721, 927724), (833, 802988), (1442, 463862), (1666, 401494), (1751, 382004), (1949, 343196), (2884, 231931), (3332, 200747), (3502, 191002), (3898, 171598), (5047, 132532), (7004, 95501), (7796, 85799), (10094, 66266), (12257, 54572), (13643, 49028), (20188, 33133), (24514, 27286)]