213912400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1389

約数の個数: 120

約数和(自身を含む): 571741184

約数和(自身を除く): 357828784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 620, 650, 775, 806, 1040, 1240, 1300, 1327, 1550, 1612, 2015, 2480, 2600, 2654, 3100, 3224, 4030, 5200, 5308, 6200, 6448, 6635, 8060, 10075, 10616, 12400, 13270, 16120, 17251, 20150, 21232, 26540, 32240, 33175, 34502, 40300, 41137, 53080, 66350, 69004, 80600, 82274, 86255, 106160, 132700, 138008, 161200, 164548, 172510, 205685, 265400, 276016, 329096, 345020, 411370, 431275, 530800, 534781, 658192, 690040, 822740, 862550, 1028425, 1069562, 1380080, 1645480, 1725100, 2056850, 2139124, 2673905, 3290960, 3450200, 4113700, 4278248, 5347810, 6900400, 8227400, 8556496, 10695620, 13369525, 16454800, 21391240, 26739050, 42782480, 53478100, 106956200, 213912400]

約数ペア:

[(1, 213912400), (2, 106956200), (4, 53478100), (5, 42782480), (8, 26739050), (10, 21391240), (13, 16454800), (16, 13369525), (20, 10695620), (25, 8556496), (26, 8227400), (31, 6900400), (40, 5347810), (50, 4278248), (52, 4113700), (62, 3450200), (65, 3290960), (80, 2673905), (100, 2139124), (104, 2056850), (124, 1725100), (130, 1645480), (155, 1380080), (200, 1069562), (208, 1028425), (248, 862550), (260, 822740), (310, 690040), (325, 658192), (400, 534781), (403, 530800), (496, 431275), (520, 411370), (620, 345020), (650, 329096), (775, 276016), (806, 265400), (1040, 205685), (1240, 172510), (1300, 164548), (1327, 161200), (1550, 138008), (1612, 132700), (2015, 106160), (2480, 86255), (2600, 82274), (2654, 80600), (3100, 69004), (3224, 66350), (4030, 53080), (5200, 41137), (5308, 40300), (6200, 34502), (6448, 33175), (6635, 32240), (8060, 26540), (10075, 21232), (10616, 20150), (12400, 17251), (13270, 16120)]