450220400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6991}}^1$

素因数の和:7039

約数の個数: 120

約数和(自身を含む): 1290107904

約数和(自身を除く): 839887504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 368, 400, 460, 560, 575, 644, 700, 805, 920, 1150, 1288, 1400, 1610, 1840, 2300, 2576, 2800, 3220, 4025, 4600, 6440, 6991, 8050, 9200, 12880, 13982, 16100, 27964, 32200, 34955, 48937, 55928, 64400, 69910, 97874, 111856, 139820, 160793, 174775, 195748, 244685, 279640, 321586, 349550, 391496, 489370, 559280, 643172, 699100, 782992, 803965, 978740, 1125551, 1223425, 1286344, 1398200, 1607930, 1957480, 2251102, 2446850, 2572688, 2796400, 3215860, 3914960, 4019825, 4502204, 4893700, 5627755, 6431720, 8039650, 9004408, 9787400, 11255510, 12863440, 16079300, 18008816, 19574800, 22511020, 28138775, 32158600, 45022040, 56277550, 64317200, 90044080, 112555100, 225110200, 450220400]

約数ペア:

[(1, 450220400), (2, 225110200), (4, 112555100), (5, 90044080), (7, 64317200), (8, 56277550), (10, 45022040), (14, 32158600), (16, 28138775), (20, 22511020), (23, 19574800), (25, 18008816), (28, 16079300), (35, 12863440), (40, 11255510), (46, 9787400), (50, 9004408), (56, 8039650), (70, 6431720), (80, 5627755), (92, 4893700), (100, 4502204), (112, 4019825), (115, 3914960), (140, 3215860), (161, 2796400), (175, 2572688), (184, 2446850), (200, 2251102), (230, 1957480), (280, 1607930), (322, 1398200), (350, 1286344), (368, 1223425), (400, 1125551), (460, 978740), (560, 803965), (575, 782992), (644, 699100), (700, 643172), (805, 559280), (920, 489370), (1150, 391496), (1288, 349550), (1400, 321586), (1610, 279640), (1840, 244685), (2300, 195748), (2576, 174775), (2800, 160793), (3220, 139820), (4025, 111856), (4600, 97874), (6440, 69910), (6991, 64400), (8050, 55928), (9200, 48937), (12880, 34955), (13982, 32200), (16100, 27964)]