248880400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{20071}}^1$

素因数の和:20120

約数の個数: 60

約数和(自身を含む): 617254144

約数和(自身を除く): 368373744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 20071, 40142, 80284, 100355, 160568, 200710, 321136, 401420, 501775, 622201, 802840, 1003550, 1244402, 1605680, 2007100, 2488804, 3111005, 4014200, 4977608, 6222010, 8028400, 9955216, 12444020, 15555025, 24888040, 31110050, 49776080, 62220100, 124440200, 248880400]

約数ペア:

[(1, 248880400), (2, 124440200), (4, 62220100), (5, 49776080), (8, 31110050), (10, 24888040), (16, 15555025), (20, 12444020), (25, 9955216), (31, 8028400), (40, 6222010), (50, 4977608), (62, 4014200), (80, 3111005), (100, 2488804), (124, 2007100), (155, 1605680), (200, 1244402), (248, 1003550), (310, 802840), (400, 622201), (496, 501775), (620, 401420), (775, 321136), (1240, 200710), (1550, 160568), (2480, 100355), (3100, 80284), (6200, 40142), (12400, 20071)]