28007500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:700

約数の個数: 60

約数和(自身を含む): 64947960

約数和(自身を除く): 36940460

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 625, 659, 850, 1250, 1318, 1700, 2125, 2500, 2636, 3295, 4250, 6590, 8500, 10625, 11203, 13180, 16475, 21250, 22406, 32950, 42500, 44812, 56015, 65900, 82375, 112030, 164750, 224060, 280075, 329500, 411875, 560150, 823750, 1120300, 1400375, 1647500, 2800750, 5601500, 7001875, 14003750, 28007500]

約数ペア:

[(1, 28007500), (2, 14003750), (4, 7001875), (5, 5601500), (10, 2800750), (17, 1647500), (20, 1400375), (25, 1120300), (34, 823750), (50, 560150), (68, 411875), (85, 329500), (100, 280075), (125, 224060), (170, 164750), (250, 112030), (340, 82375), (425, 65900), (500, 56015), (625, 44812), (659, 42500), (850, 32950), (1250, 22406), (1318, 21250), (1700, 16475), (2125, 13180), (2500, 11203), (2636, 10625), (3295, 8500), (4250, 6590)]