19900200

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1951}}^1$

素因数の和:1987

約数の個数: 96

約数和(自身を含む): 65352960

約数和(自身を除く): 45452760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 34, 40, 50, 51, 60, 68, 75, 85, 100, 102, 120, 136, 150, 170, 200, 204, 255, 300, 340, 408, 425, 510, 600, 680, 850, 1020, 1275, 1700, 1951, 2040, 2550, 3400, 3902, 5100, 5853, 7804, 9755, 10200, 11706, 15608, 19510, 23412, 29265, 33167, 39020, 46824, 48775, 58530, 66334, 78040, 97550, 99501, 117060, 132668, 146325, 165835, 195100, 199002, 234120, 265336, 292650, 331670, 390200, 398004, 497505, 585300, 663340, 796008, 829175, 995010, 1170600, 1326680, 1658350, 1990020, 2487525, 3316700, 3980040, 4975050, 6633400, 9950100, 19900200]

約数ペア:

[(1, 19900200), (2, 9950100), (3, 6633400), (4, 4975050), (5, 3980040), (6, 3316700), (8, 2487525), (10, 1990020), (12, 1658350), (15, 1326680), (17, 1170600), (20, 995010), (24, 829175), (25, 796008), (30, 663340), (34, 585300), (40, 497505), (50, 398004), (51, 390200), (60, 331670), (68, 292650), (75, 265336), (85, 234120), (100, 199002), (102, 195100), (120, 165835), (136, 146325), (150, 132668), (170, 117060), (200, 99501), (204, 97550), (255, 78040), (300, 66334), (340, 58530), (408, 48775), (425, 46824), (510, 39020), (600, 33167), (680, 29265), (850, 23412), (1020, 19510), (1275, 15608), (1700, 11706), (1951, 10200), (2040, 9755), (2550, 7804), (3400, 5853), (3902, 5100)]