857424100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4201}}^1$

素因数の和:4385

約数の個数: 72

約数和(自身を含む): 2016976808

約数和(自身を除く): 1159552708

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 157, 260, 314, 325, 628, 650, 785, 1300, 1570, 2041, 3140, 3925, 4082, 4201, 7850, 8164, 8402, 10205, 15700, 16804, 20410, 21005, 40820, 42010, 51025, 54613, 84020, 102050, 105025, 109226, 204100, 210050, 218452, 273065, 420100, 546130, 659557, 1092260, 1319114, 1365325, 2638228, 2730650, 3297785, 5461300, 6595570, 8574241, 13191140, 16488925, 17148482, 32977850, 34296964, 42871205, 65955700, 85742410, 171484820, 214356025, 428712050, 857424100]

約数ペア:

[(1, 857424100), (2, 428712050), (4, 214356025), (5, 171484820), (10, 85742410), (13, 65955700), (20, 42871205), (25, 34296964), (26, 32977850), (50, 17148482), (52, 16488925), (65, 13191140), (100, 8574241), (130, 6595570), (157, 5461300), (260, 3297785), (314, 2730650), (325, 2638228), (628, 1365325), (650, 1319114), (785, 1092260), (1300, 659557), (1570, 546130), (2041, 420100), (3140, 273065), (3925, 218452), (4082, 210050), (4201, 204100), (7850, 109226), (8164, 105025), (8402, 102050), (10205, 84020), (15700, 54613), (16804, 51025), (20410, 42010), (21005, 40820)]