28740404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 67032000

約数和(自身を除く): 38291596

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 121, 154, 187, 238, 242, 308, 374, 476, 484, 499, 748, 847, 998, 1309, 1694, 1996, 2057, 2618, 3388, 3493, 4114, 5236, 5489, 6986, 8228, 8483, 10978, 13972, 14399, 16966, 21956, 28798, 33932, 38423, 57596, 59381, 60379, 76846, 93313, 118762, 120758, 153692, 186626, 237524, 241516, 373252, 422653, 653191, 845306, 1026443, 1306382, 1690612, 2052886, 2612764, 4105772, 7185101, 14370202, 28740404]

約数ペア:

[(1, 28740404), (2, 14370202), (4, 7185101), (7, 4105772), (11, 2612764), (14, 2052886), (17, 1690612), (22, 1306382), (28, 1026443), (34, 845306), (44, 653191), (68, 422653), (77, 373252), (119, 241516), (121, 237524), (154, 186626), (187, 153692), (238, 120758), (242, 118762), (308, 93313), (374, 76846), (476, 60379), (484, 59381), (499, 57596), (748, 38423), (847, 33932), (998, 28798), (1309, 21956), (1694, 16966), (1996, 14399), (2057, 13972), (2618, 10978), (3388, 8483), (3493, 8228), (4114, 6986), (5236, 5489)]