1900516420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3271}}^1$

素因数の和:3449

約数の個数: 96

約数和(自身を含む): 4617446400

約数和(自身を除く): 2716929980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 139, 190, 209, 220, 278, 380, 418, 556, 695, 836, 1045, 1390, 1529, 2090, 2641, 2780, 3058, 3271, 4180, 5282, 6116, 6542, 7645, 10564, 13084, 13205, 15290, 16355, 26410, 29051, 30580, 32710, 35981, 52820, 58102, 62149, 65420, 71962, 116204, 124298, 143924, 145255, 179905, 248596, 290510, 310745, 359810, 454669, 581020, 621490, 683639, 719620, 909338, 1242980, 1367278, 1818676, 2273345, 2734556, 3418195, 4546690, 5001359, 6836390, 8638711, 9093380, 10002718, 13672780, 17277422, 20005436, 25006795, 34554844, 43193555, 50013590, 86387110, 95025821, 100027180, 172774220, 190051642, 380103284, 475129105, 950258210, 1900516420]

約数ペア:

[(1, 1900516420), (2, 950258210), (4, 475129105), (5, 380103284), (10, 190051642), (11, 172774220), (19, 100027180), (20, 95025821), (22, 86387110), (38, 50013590), (44, 43193555), (55, 34554844), (76, 25006795), (95, 20005436), (110, 17277422), (139, 13672780), (190, 10002718), (209, 9093380), (220, 8638711), (278, 6836390), (380, 5001359), (418, 4546690), (556, 3418195), (695, 2734556), (836, 2273345), (1045, 1818676), (1390, 1367278), (1529, 1242980), (2090, 909338), (2641, 719620), (2780, 683639), (3058, 621490), (3271, 581020), (4180, 454669), (5282, 359810), (6116, 310745), (6542, 290510), (7645, 248596), (10564, 179905), (13084, 145255), (13205, 143924), (15290, 124298), (16355, 116204), (26410, 71962), (29051, 65420), (30580, 62149), (32710, 58102), (35981, 52820)]