7240900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 17151680

約数和(自身を除く): 9910780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 103, 148, 185, 190, 206, 370, 380, 412, 475, 515, 703, 740, 925, 950, 1030, 1406, 1850, 1900, 1957, 2060, 2575, 2812, 3515, 3700, 3811, 3914, 5150, 7030, 7622, 7828, 9785, 10300, 14060, 15244, 17575, 19055, 19570, 35150, 38110, 39140, 48925, 70300, 72409, 76220, 95275, 97850, 144818, 190550, 195700, 289636, 362045, 381100, 724090, 1448180, 1810225, 3620450, 7240900]

約数ペア:

[(1, 7240900), (2, 3620450), (4, 1810225), (5, 1448180), (10, 724090), (19, 381100), (20, 362045), (25, 289636), (37, 195700), (38, 190550), (50, 144818), (74, 97850), (76, 95275), (95, 76220), (100, 72409), (103, 70300), (148, 48925), (185, 39140), (190, 38110), (206, 35150), (370, 19570), (380, 19055), (412, 17575), (475, 15244), (515, 14060), (703, 10300), (740, 9785), (925, 7828), (950, 7622), (1030, 7030), (1406, 5150), (1850, 3914), (1900, 3811), (1957, 3700), (2060, 3515), (2575, 2812)]