905018660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1319}}^1$

素因数の和:1390

約数の個数: 144

約数和(自身を含む): 2434924800

約数和(自身を除く): 1529906140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 169, 182, 203, 260, 290, 338, 364, 377, 406, 455, 580, 676, 754, 812, 845, 910, 1015, 1183, 1319, 1508, 1690, 1820, 1885, 2030, 2366, 2638, 2639, 3380, 3770, 4060, 4732, 4901, 5276, 5278, 5915, 6595, 7540, 9233, 9802, 10556, 11830, 13190, 13195, 17147, 18466, 19604, 23660, 24505, 26380, 26390, 34294, 34307, 36932, 38251, 46165, 49010, 52780, 68588, 68614, 76502, 85735, 92330, 98020, 120029, 137228, 153004, 171470, 171535, 184660, 191255, 222911, 240058, 267757, 342940, 343070, 382510, 445822, 480116, 497263, 535514, 600145, 686140, 765020, 891644, 994526, 1071028, 1114555, 1200290, 1338785, 1560377, 1989052, 2229110, 2400580, 2486315, 2677570, 3120754, 3480841, 4458220, 4972630, 5355140, 6241508, 6464419, 6961682, 7801885, 9945260, 12928838, 13923364, 15603770, 17404205, 25857676, 31207540, 32322095, 34808410, 45250933, 64644190, 69616820, 90501866, 129288380, 181003732, 226254665, 452509330, 905018660]

約数ペア:

[(1, 905018660), (2, 452509330), (4, 226254665), (5, 181003732), (7, 129288380), (10, 90501866), (13, 69616820), (14, 64644190), (20, 45250933), (26, 34808410), (28, 32322095), (29, 31207540), (35, 25857676), (52, 17404205), (58, 15603770), (65, 13923364), (70, 12928838), (91, 9945260), (116, 7801885), (130, 6961682), (140, 6464419), (145, 6241508), (169, 5355140), (182, 4972630), (203, 4458220), (260, 3480841), (290, 3120754), (338, 2677570), (364, 2486315), (377, 2400580), (406, 2229110), (455, 1989052), (580, 1560377), (676, 1338785), (754, 1200290), (812, 1114555), (845, 1071028), (910, 994526), (1015, 891644), (1183, 765020), (1319, 686140), (1508, 600145), (1690, 535514), (1820, 497263), (1885, 480116), (2030, 445822), (2366, 382510), (2638, 343070), (2639, 342940), (3380, 267757), (3770, 240058), (4060, 222911), (4732, 191255), (4901, 184660), (5276, 171535), (5278, 171470), (5915, 153004), (6595, 137228), (7540, 120029), (9233, 98020), (9802, 92330), (10556, 85735), (11830, 76502), (13190, 68614), (13195, 68588), (17147, 52780), (18466, 49010), (19604, 46165), (23660, 38251), (24505, 36932), (26380, 34307), (26390, 34294)]