421928780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1049}}^1$

素因数の和:1108

約数の個数: 144

約数和(自身を含む): 1162123200

約数和(自身を除く): 740194420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 169, 170, 182, 221, 238, 260, 338, 340, 364, 442, 455, 476, 595, 676, 845, 884, 910, 1049, 1105, 1183, 1190, 1547, 1690, 1820, 2098, 2210, 2366, 2380, 2873, 3094, 3380, 4196, 4420, 4732, 5245, 5746, 5915, 6188, 7343, 7735, 10490, 11492, 11830, 13637, 14365, 14686, 15470, 17833, 20111, 20980, 23660, 27274, 28730, 29372, 30940, 35666, 36715, 40222, 54548, 57460, 68185, 71332, 73430, 80444, 89165, 95459, 100555, 124831, 136370, 146860, 177281, 178330, 190918, 201110, 231829, 249662, 272740, 354562, 356660, 381836, 402220, 463658, 477295, 499324, 624155, 709124, 886405, 927316, 954590, 1159145, 1240967, 1248310, 1622803, 1772810, 1909180, 2318290, 2481934, 2496620, 3013777, 3245606, 3545620, 4636580, 4963868, 6027554, 6204835, 6491212, 8114015, 12055108, 12409670, 15068885, 16228030, 21096439, 24819340, 30137770, 32456060, 42192878, 60275540, 84385756, 105482195, 210964390, 421928780]

約数ペア:

[(1, 421928780), (2, 210964390), (4, 105482195), (5, 84385756), (7, 60275540), (10, 42192878), (13, 32456060), (14, 30137770), (17, 24819340), (20, 21096439), (26, 16228030), (28, 15068885), (34, 12409670), (35, 12055108), (52, 8114015), (65, 6491212), (68, 6204835), (70, 6027554), (85, 4963868), (91, 4636580), (119, 3545620), (130, 3245606), (140, 3013777), (169, 2496620), (170, 2481934), (182, 2318290), (221, 1909180), (238, 1772810), (260, 1622803), (338, 1248310), (340, 1240967), (364, 1159145), (442, 954590), (455, 927316), (476, 886405), (595, 709124), (676, 624155), (845, 499324), (884, 477295), (910, 463658), (1049, 402220), (1105, 381836), (1183, 356660), (1190, 354562), (1547, 272740), (1690, 249662), (1820, 231829), (2098, 201110), (2210, 190918), (2366, 178330), (2380, 177281), (2873, 146860), (3094, 136370), (3380, 124831), (4196, 100555), (4420, 95459), (4732, 89165), (5245, 80444), (5746, 73430), (5915, 71332), (6188, 68185), (7343, 57460), (7735, 54548), (10490, 40222), (11492, 36715), (11830, 35666), (13637, 30940), (14365, 29372), (14686, 28730), (15470, 27274), (17833, 23660), (20111, 20980)]