400100400

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1\times {\mathrm{15877}}^1$

素因数の和:15908

約数の個数: 180

約数和(自身を含む): 1586910832

約数和(自身を除く): 1186810432

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 252, 280, 300, 315, 336, 350, 360, 400, 420, 450, 504, 525, 560, 600, 630, 700, 720, 840, 900, 1008, 1050, 1200, 1260, 1400, 1575, 1680, 1800, 2100, 2520, 2800, 3150, 3600, 4200, 5040, 6300, 8400, 12600, 15877, 25200, 31754, 47631, 63508, 79385, 95262, 111139, 127016, 142893, 158770, 190524, 222278, 238155, 254032, 285786, 317540, 333417, 381048, 396925, 444556, 476310, 555695, 571572, 635080, 666834, 714465, 762096, 793850, 889112, 952620, 1000251, 1111390, 1143144, 1190775, 1270160, 1333668, 1428930, 1587700, 1667085, 1778224, 1905240, 2000502, 2222780, 2286288, 2381550, 2667336, 2778475, 2857860, 3175400, 3334170, 3572325, 3810480, 4001004, 4445560, 4763100, 5001255, 5334672, 5556950, 5715720, 6350800, 6668340, 7144650, 8002008, 8335425, 8891120, 9526200, 10002510, 11113900, 11431440, 13336680, 14289300, 16004016, 16670850, 19052400, 20005020, 22227800, 25006275, 26673360, 28578600, 33341700, 40010040, 44455600, 50012550, 57157200, 66683400, 80020080, 100025100, 133366800, 200050200, 400100400]

約数ペア:

[(1, 400100400), (2, 200050200), (3, 133366800), (4, 100025100), (5, 80020080), (6, 66683400), (7, 57157200), (8, 50012550), (9, 44455600), (10, 40010040), (12, 33341700), (14, 28578600), (15, 26673360), (16, 25006275), (18, 22227800), (20, 20005020), (21, 19052400), (24, 16670850), (25, 16004016), (28, 14289300), (30, 13336680), (35, 11431440), (36, 11113900), (40, 10002510), (42, 9526200), (45, 8891120), (48, 8335425), (50, 8002008), (56, 7144650), (60, 6668340), (63, 6350800), (70, 5715720), (72, 5556950), (75, 5334672), (80, 5001255), (84, 4763100), (90, 4445560), (100, 4001004), (105, 3810480), (112, 3572325), (120, 3334170), (126, 3175400), (140, 2857860), (144, 2778475), (150, 2667336), (168, 2381550), (175, 2286288), (180, 2222780), (200, 2000502), (210, 1905240), (225, 1778224), (240, 1667085), (252, 1587700), (280, 1428930), (300, 1333668), (315, 1270160), (336, 1190775), (350, 1143144), (360, 1111390), (400, 1000251), (420, 952620), (450, 889112), (504, 793850), (525, 762096), (560, 714465), (600, 666834), (630, 635080), (700, 571572), (720, 555695), (840, 476310), (900, 444556), (1008, 396925), (1050, 381048), (1200, 333417), (1260, 317540), (1400, 285786), (1575, 254032), (1680, 238155), (1800, 222278), (2100, 190524), (2520, 158770), (2800, 142893), (3150, 127016), (3600, 111139), (4200, 95262), (5040, 79385), (6300, 63508), (8400, 47631), (12600, 31754), (15877, 25200)]