77988970

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 152028576

約数和(自身を除く): 74039606

約数列:

[1, 2, 5, 10, 37, 41, 53, 74, 82, 97, 106, 185, 194, 205, 265, 370, 410, 485, 530, 970, 1517, 1961, 2173, 3034, 3589, 3922, 3977, 4346, 5141, 7178, 7585, 7954, 9805, 10282, 10865, 15170, 17945, 19610, 19885, 21730, 25705, 35890, 39770, 51410, 80401, 147149, 160802, 190217, 210781, 294298, 380434, 402005, 421562, 735745, 804010, 951085, 1053905, 1471490, 1902170, 2107810, 7798897, 15597794, 38994485, 77988970]

約数ペア:

[(1, 77988970), (2, 38994485), (5, 15597794), (10, 7798897), (37, 2107810), (41, 1902170), (53, 1471490), (74, 1053905), (82, 951085), (97, 804010), (106, 735745), (185, 421562), (194, 402005), (205, 380434), (265, 294298), (370, 210781), (410, 190217), (485, 160802), (530, 147149), (970, 80401), (1517, 51410), (1961, 39770), (2173, 35890), (3034, 25705), (3589, 21730), (3922, 19885), (3977, 19610), (4346, 17945), (5141, 15170), (7178, 10865), (7585, 10282), (7954, 9805)]