520020900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:643

約数の個数: 216

約数和(自身を含む): 1876754880

約数和(自身を除く): 1356733980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 197, 210, 225, 252, 300, 315, 350, 394, 419, 420, 450, 525, 591, 630, 700, 788, 838, 900, 985, 1050, 1182, 1257, 1260, 1379, 1575, 1676, 1773, 1970, 2095, 2100, 2364, 2514, 2758, 2933, 2955, 3150, 3546, 3771, 3940, 4137, 4190, 4925, 5028, 5516, 5866, 5910, 6285, 6300, 6895, 7092, 7542, 8274, 8380, 8799, 8865, 9850, 10475, 11732, 11820, 12411, 12570, 13790, 14665, 14775, 15084, 16548, 17598, 17730, 18855, 19700, 20685, 20950, 24822, 25140, 26397, 27580, 29330, 29550, 31425, 34475, 35196, 35460, 37710, 41370, 41900, 43995, 44325, 49644, 52794, 58660, 59100, 62055, 62850, 68950, 73325, 75420, 82543, 82740, 87990, 88650, 94275, 103425, 105588, 124110, 125700, 131985, 137900, 146650, 165086, 175980, 177300, 188550, 206850, 219975, 247629, 248220, 263970, 293300, 310275, 330172, 377100, 412715, 413700, 439950, 495258, 527940, 577801, 620550, 659925, 742887, 825430, 879900, 990516, 1155602, 1238145, 1241100, 1319850, 1485774, 1650860, 1733403, 2063575, 2311204, 2476290, 2639700, 2889005, 2971548, 3466806, 3714435, 4127150, 4952580, 5200209, 5778010, 6190725, 6933612, 7428870, 8254300, 8667015, 10400418, 11556020, 12381450, 14445025, 14857740, 17334030, 18572175, 20800836, 24762900, 26001045, 28890050, 34668060, 37144350, 43335075, 52002090, 57780100, 74288700, 86670150, 104004180, 130005225, 173340300, 260010450, 520020900]

約数ペア:

[(1, 520020900), (2, 260010450), (3, 173340300), (4, 130005225), (5, 104004180), (6, 86670150), (7, 74288700), (9, 57780100), (10, 52002090), (12, 43335075), (14, 37144350), (15, 34668060), (18, 28890050), (20, 26001045), (21, 24762900), (25, 20800836), (28, 18572175), (30, 17334030), (35, 14857740), (36, 14445025), (42, 12381450), (45, 11556020), (50, 10400418), (60, 8667015), (63, 8254300), (70, 7428870), (75, 6933612), (84, 6190725), (90, 5778010), (100, 5200209), (105, 4952580), (126, 4127150), (140, 3714435), (150, 3466806), (175, 2971548), (180, 2889005), (197, 2639700), (210, 2476290), (225, 2311204), (252, 2063575), (300, 1733403), (315, 1650860), (350, 1485774), (394, 1319850), (419, 1241100), (420, 1238145), (450, 1155602), (525, 990516), (591, 879900), (630, 825430), (700, 742887), (788, 659925), (838, 620550), (900, 577801), (985, 527940), (1050, 495258), (1182, 439950), (1257, 413700), (1260, 412715), (1379, 377100), (1575, 330172), (1676, 310275), (1773, 293300), (1970, 263970), (2095, 248220), (2100, 247629), (2364, 219975), (2514, 206850), (2758, 188550), (2933, 177300), (2955, 175980), (3150, 165086), (3546, 146650), (3771, 137900), (3940, 131985), (4137, 125700), (4190, 124110), (4925, 105588), (5028, 103425), (5516, 94275), (5866, 88650), (5910, 87990), (6285, 82740), (6300, 82543), (6895, 75420), (7092, 73325), (7542, 68950), (8274, 62850), (8380, 62055), (8799, 59100), (8865, 58660), (9850, 52794), (10475, 49644), (11732, 44325), (11820, 43995), (12411, 41900), (12570, 41370), (13790, 37710), (14665, 35460), (14775, 35196), (15084, 34475), (16548, 31425), (17598, 29550), (17730, 29330), (18855, 27580), (19700, 26397), (20685, 25140), (20950, 24822)]