1036990000

素因数分解:

$2^4\times 5^4\times {\mathrm{103699}}^1$

素因数の和:103727

約数の個数: 50

約数和(自身を含む): 2510680700

約数和(自身を除く): 1473690700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 103699, 207398, 414796, 518495, 829592, 1036990, 1659184, 2073980, 2592475, 4147960, 5184950, 8295920, 10369900, 12962375, 20739800, 25924750, 41479600, 51849500, 64811875, 103699000, 129623750, 207398000, 259247500, 518495000, 1036990000]

約数ペア:

[(1, 1036990000), (2, 518495000), (4, 259247500), (5, 207398000), (8, 129623750), (10, 103699000), (16, 64811875), (20, 51849500), (25, 41479600), (40, 25924750), (50, 20739800), (80, 12962375), (100, 10369900), (125, 8295920), (200, 5184950), (250, 4147960), (400, 2592475), (500, 2073980), (625, 1659184), (1000, 1036990), (1250, 829592), (2000, 518495), (2500, 414796), (5000, 207398), (10000, 103699)]