409813300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1319}}^1$

素因数の和:1585

約数の個数: 72

約数和(自身を含む): 962438400

約数和(自身を除く): 552625100

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 239, 260, 325, 478, 650, 956, 1195, 1300, 1319, 2390, 2638, 3107, 4780, 5276, 5975, 6214, 6595, 11950, 12428, 13190, 15535, 17147, 23900, 26380, 31070, 32975, 34294, 62140, 65950, 68588, 77675, 85735, 131900, 155350, 171470, 310700, 315241, 342940, 428675, 630482, 857350, 1260964, 1576205, 1714700, 3152410, 4098133, 6304820, 7881025, 8196266, 15762050, 16392532, 20490665, 31524100, 40981330, 81962660, 102453325, 204906650, 409813300]

約数ペア:

[(1, 409813300), (2, 204906650), (4, 102453325), (5, 81962660), (10, 40981330), (13, 31524100), (20, 20490665), (25, 16392532), (26, 15762050), (50, 8196266), (52, 7881025), (65, 6304820), (100, 4098133), (130, 3152410), (239, 1714700), (260, 1576205), (325, 1260964), (478, 857350), (650, 630482), (956, 428675), (1195, 342940), (1300, 315241), (1319, 310700), (2390, 171470), (2638, 155350), (3107, 131900), (4780, 85735), (5276, 77675), (5975, 68588), (6214, 65950), (6595, 62140), (11950, 34294), (12428, 32975), (13190, 31070), (15535, 26380), (17147, 23900)]