28902270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 43673730

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 139, 145, 174, 239, 278, 290, 417, 435, 478, 695, 717, 834, 870, 1195, 1390, 1434, 2085, 2390, 3585, 4031, 4170, 6931, 7170, 8062, 12093, 13862, 20155, 20793, 24186, 33221, 34655, 40310, 41586, 60465, 66442, 69310, 99663, 103965, 120930, 166105, 199326, 207930, 332210, 498315, 963409, 996630, 1926818, 2890227, 4817045, 5780454, 9634090, 14451135, 28902270]

約数ペア:

[(1, 28902270), (2, 14451135), (3, 9634090), (5, 5780454), (6, 4817045), (10, 2890227), (15, 1926818), (29, 996630), (30, 963409), (58, 498315), (87, 332210), (139, 207930), (145, 199326), (174, 166105), (239, 120930), (278, 103965), (290, 99663), (417, 69310), (435, 66442), (478, 60465), (695, 41586), (717, 40310), (834, 34655), (870, 33221), (1195, 24186), (1390, 20793), (1434, 20155), (2085, 13862), (2390, 12093), (3585, 8062), (4031, 7170), (4170, 6931)]