394456400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2447}}^1$

素因数の和:2509

約数の個数: 120

約数和(自身を含む): 1053932544

約数和(自身を除く): 659476144

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, 1550, 1612, 2015, 2447, 2480, 2600, 3100, 3224, 4030, 4894, 5200, 6200, 6448, 8060, 9788, 10075, 12235, 12400, 16120, 19576, 20150, 24470, 31811, 32240, 39152, 40300, 48940, 61175, 63622, 75857, 80600, 97880, 122350, 127244, 151714, 159055, 161200, 195760, 244700, 254488, 303428, 318110, 379285, 489400, 508976, 606856, 636220, 758570, 795275, 978800, 986141, 1213712, 1272440, 1517140, 1590550, 1896425, 1972282, 2544880, 3034280, 3181100, 3792850, 3944564, 4930705, 6068560, 6362200, 7585700, 7889128, 9861410, 12724400, 15171400, 15778256, 19722820, 24653525, 30342800, 39445640, 49307050, 78891280, 98614100, 197228200, 394456400]

約数ペア:

[(1, 394456400), (2, 197228200), (4, 98614100), (5, 78891280), (8, 49307050), (10, 39445640), (13, 30342800), (16, 24653525), (20, 19722820), (25, 15778256), (26, 15171400), (31, 12724400), (40, 9861410), (50, 7889128), (52, 7585700), (62, 6362200), (65, 6068560), (80, 4930705), (100, 3944564), (104, 3792850), (124, 3181100), (130, 3034280), (155, 2544880), (200, 1972282), (208, 1896425), (248, 1590550), (260, 1517140), (310, 1272440), (325, 1213712), (400, 986141), (403, 978800), (496, 795275), (520, 758570), (620, 636220), (650, 606856), (775, 508976), (806, 489400), (1040, 379285), (1240, 318110), (1300, 303428), (1550, 254488), (1612, 244700), (2015, 195760), (2447, 161200), (2480, 159055), (2600, 151714), (3100, 127244), (3224, 122350), (4030, 97880), (4894, 80600), (5200, 75857), (6200, 63622), (6448, 61175), (8060, 48940), (9788, 40300), (10075, 39152), (12235, 32240), (12400, 31811), (16120, 24470), (19576, 20150)]