211635760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 591962112

約数和(自身を除く): 380326352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 73, 80, 112, 124, 140, 146, 155, 167, 217, 248, 280, 292, 310, 334, 365, 434, 496, 511, 560, 584, 620, 668, 730, 835, 868, 1022, 1085, 1168, 1169, 1240, 1336, 1460, 1670, 1736, 2044, 2170, 2263, 2338, 2480, 2555, 2672, 2920, 3340, 3472, 4088, 4340, 4526, 4676, 5110, 5177, 5840, 5845, 6680, 8176, 8680, 9052, 9352, 10220, 10354, 11315, 11690, 12191, 13360, 15841, 17360, 18104, 18704, 20440, 20708, 22630, 23380, 24382, 25885, 31682, 36208, 36239, 40880, 41416, 45260, 46760, 48764, 51770, 60955, 63364, 72478, 79205, 82832, 85337, 90520, 93520, 97528, 103540, 121910, 126728, 144956, 158410, 170674, 181040, 181195, 195056, 207080, 243820, 253456, 289912, 316820, 341348, 362390, 377921, 414160, 426685, 487640, 579824, 633640, 682696, 724780, 755842, 853370, 975280, 1267280, 1365392, 1449560, 1511684, 1706740, 1889605, 2645447, 2899120, 3023368, 3413480, 3779210, 5290894, 6046736, 6826960, 7558420, 10581788, 13227235, 15116840, 21163576, 26454470, 30233680, 42327152, 52908940, 105817880, 211635760]

約数ペア:

[(1, 211635760), (2, 105817880), (4, 52908940), (5, 42327152), (7, 30233680), (8, 26454470), (10, 21163576), (14, 15116840), (16, 13227235), (20, 10581788), (28, 7558420), (31, 6826960), (35, 6046736), (40, 5290894), (56, 3779210), (62, 3413480), (70, 3023368), (73, 2899120), (80, 2645447), (112, 1889605), (124, 1706740), (140, 1511684), (146, 1449560), (155, 1365392), (167, 1267280), (217, 975280), (248, 853370), (280, 755842), (292, 724780), (310, 682696), (334, 633640), (365, 579824), (434, 487640), (496, 426685), (511, 414160), (560, 377921), (584, 362390), (620, 341348), (668, 316820), (730, 289912), (835, 253456), (868, 243820), (1022, 207080), (1085, 195056), (1168, 181195), (1169, 181040), (1240, 170674), (1336, 158410), (1460, 144956), (1670, 126728), (1736, 121910), (2044, 103540), (2170, 97528), (2263, 93520), (2338, 90520), (2480, 85337), (2555, 82832), (2672, 79205), (2920, 72478), (3340, 63364), (3472, 60955), (4088, 51770), (4340, 48764), (4526, 46760), (4676, 45260), (5110, 41416), (5177, 40880), (5840, 36239), (5845, 36208), (6680, 31682), (8176, 25885), (8680, 24382), (9052, 23380), (9352, 22630), (10220, 20708), (10354, 20440), (11315, 18704), (11690, 18104), (12191, 17360), (13360, 15841)]