199108920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:925

約数の個数: 128

約数和(自身を含む): 624983040

約数和(自身を除く): 425874120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 47, 60, 86, 94, 120, 129, 141, 172, 188, 215, 235, 258, 282, 344, 376, 430, 470, 516, 564, 645, 705, 821, 860, 940, 1032, 1128, 1290, 1410, 1642, 1720, 1880, 2021, 2463, 2580, 2820, 3284, 4042, 4105, 4926, 5160, 5640, 6063, 6568, 8084, 8210, 9852, 10105, 12126, 12315, 16168, 16420, 19704, 20210, 24252, 24630, 30315, 32840, 35303, 38587, 40420, 48504, 49260, 60630, 70606, 77174, 80840, 98520, 105909, 115761, 121260, 141212, 154348, 176515, 192935, 211818, 231522, 242520, 282424, 308696, 353030, 385870, 423636, 463044, 529545, 578805, 706060, 771740, 847272, 926088, 1059090, 1157610, 1412120, 1543480, 1659241, 2118180, 2315220, 3318482, 4236360, 4630440, 4977723, 6636964, 8296205, 9955446, 13273928, 16592410, 19910892, 24888615, 33184820, 39821784, 49777230, 66369640, 99554460, 199108920]

約数ペア:

[(1, 199108920), (2, 99554460), (3, 66369640), (4, 49777230), (5, 39821784), (6, 33184820), (8, 24888615), (10, 19910892), (12, 16592410), (15, 13273928), (20, 9955446), (24, 8296205), (30, 6636964), (40, 4977723), (43, 4630440), (47, 4236360), (60, 3318482), (86, 2315220), (94, 2118180), (120, 1659241), (129, 1543480), (141, 1412120), (172, 1157610), (188, 1059090), (215, 926088), (235, 847272), (258, 771740), (282, 706060), (344, 578805), (376, 529545), (430, 463044), (470, 423636), (516, 385870), (564, 353030), (645, 308696), (705, 282424), (821, 242520), (860, 231522), (940, 211818), (1032, 192935), (1128, 176515), (1290, 154348), (1410, 141212), (1642, 121260), (1720, 115761), (1880, 105909), (2021, 98520), (2463, 80840), (2580, 77174), (2820, 70606), (3284, 60630), (4042, 49260), (4105, 48504), (4926, 40420), (5160, 38587), (5640, 35303), (6063, 32840), (6568, 30315), (8084, 24630), (8210, 24252), (9852, 20210), (10105, 19704), (12126, 16420), (12315, 16168)]