2128889630140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{89978429}}^1$

素因数の和:89978471

約数の個数: 72

約数和(自身を含む): 5532593703840

約数和(自身を除く): 3403704073700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 4732, 5915, 11830, 23660, 89978429, 179956858, 359913716, 449892145, 629849003, 899784290, 1169719577, 1259698006, 1799568580, 2339439154, 2519396012, 3149245015, 4678878308, 5848597885, 6298490030, 8188037039, 11697195770, 12596980060, 15206354501, 16376074078, 23394391540, 30412709002, 32752148156, 40940185195, 60825418004, 76031772505, 81880370390, 106444481507, 152063545010, 163760740780, 212888963014, 304127090020, 425777926028, 532222407535, 1064444815070, 2128889630140]

約数ペア:

[(1, 2128889630140), (2, 1064444815070), (4, 532222407535), (5, 425777926028), (7, 304127090020), (10, 212888963014), (13, 163760740780), (14, 152063545010), (20, 106444481507), (26, 81880370390), (28, 76031772505), (35, 60825418004), (52, 40940185195), (65, 32752148156), (70, 30412709002), (91, 23394391540), (130, 16376074078), (140, 15206354501), (169, 12596980060), (182, 11697195770), (260, 8188037039), (338, 6298490030), (364, 5848597885), (455, 4678878308), (676, 3149245015), (845, 2519396012), (910, 2339439154), (1183, 1799568580), (1690, 1259698006), (1820, 1169719577), (2366, 899784290), (3380, 629849003), (4732, 449892145), (5915, 359913716), (11830, 179956858), (23660, 89978429)]