201715400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:631

約数の個数: 96

約数和(自身を含む): 499224000

約数和(自身を除く): 297508600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 109, 152, 190, 200, 218, 380, 436, 475, 487, 545, 760, 872, 950, 974, 1090, 1900, 1948, 2071, 2180, 2435, 2725, 3800, 3896, 4142, 4360, 4870, 5450, 8284, 9253, 9740, 10355, 10900, 12175, 16568, 18506, 19480, 20710, 21800, 24350, 37012, 41420, 46265, 48700, 51775, 53083, 74024, 82840, 92530, 97400, 103550, 106166, 185060, 207100, 212332, 231325, 265415, 370120, 414200, 424664, 462650, 530830, 925300, 1008577, 1061660, 1327075, 1850600, 2017154, 2123320, 2654150, 4034308, 5042885, 5308300, 8068616, 10085770, 10616600, 20171540, 25214425, 40343080, 50428850, 100857700, 201715400]

約数ペア:

[(1, 201715400), (2, 100857700), (4, 50428850), (5, 40343080), (8, 25214425), (10, 20171540), (19, 10616600), (20, 10085770), (25, 8068616), (38, 5308300), (40, 5042885), (50, 4034308), (76, 2654150), (95, 2123320), (100, 2017154), (109, 1850600), (152, 1327075), (190, 1061660), (200, 1008577), (218, 925300), (380, 530830), (436, 462650), (475, 424664), (487, 414200), (545, 370120), (760, 265415), (872, 231325), (950, 212332), (974, 207100), (1090, 185060), (1900, 106166), (1948, 103550), (2071, 97400), (2180, 92530), (2435, 82840), (2725, 74024), (3800, 53083), (3896, 51775), (4142, 48700), (4360, 46265), (4870, 41420), (5450, 37012), (8284, 24350), (9253, 21800), (9740, 20710), (10355, 19480), (10900, 18506), (12175, 16568)]