289968420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22271}}^1$

素因数の和:22321

約数の個数: 96

約数和(自身を含む): 957874176

約数和(自身を除く): 667905756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 22271, 44542, 66813, 89084, 111355, 133626, 155897, 222710, 267252, 311794, 334065, 445420, 467691, 623588, 668130, 690401, 779485, 935382, 1336260, 1380802, 1558970, 1870764, 2071203, 2338455, 2761604, 3117940, 3452005, 4142406, 4676910, 4832807, 6904010, 8284812, 9353820, 9665614, 10356015, 13808020, 14498421, 19331228, 20712030, 24164035, 28996842, 41424060, 48328070, 57993684, 72492105, 96656140, 144984210, 289968420]

約数ペア:

[(1, 289968420), (2, 144984210), (3, 96656140), (4, 72492105), (5, 57993684), (6, 48328070), (7, 41424060), (10, 28996842), (12, 24164035), (14, 20712030), (15, 19331228), (20, 14498421), (21, 13808020), (28, 10356015), (30, 9665614), (31, 9353820), (35, 8284812), (42, 6904010), (60, 4832807), (62, 4676910), (70, 4142406), (84, 3452005), (93, 3117940), (105, 2761604), (124, 2338455), (140, 2071203), (155, 1870764), (186, 1558970), (210, 1380802), (217, 1336260), (310, 935382), (372, 779485), (420, 690401), (434, 668130), (465, 623588), (620, 467691), (651, 445420), (868, 334065), (930, 311794), (1085, 267252), (1302, 222710), (1860, 155897), (2170, 133626), (2604, 111355), (3255, 89084), (4340, 66813), (6510, 44542), (13020, 22271)]