28820715700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{2939}}^1\times {\mathrm{14009}}^1$

素因数の和:16969

約数の個数: 72

約数和(自身を含む): 71504798400

約数和(自身を除く): 42684082700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 2939, 5878, 11756, 14009, 14695, 20573, 28018, 29390, 41146, 56036, 58780, 70045, 73475, 82292, 98063, 102865, 140090, 146950, 196126, 205730, 280180, 293900, 350225, 392252, 411460, 490315, 514325, 700450, 980630, 1028650, 1400900, 1961260, 2057300, 2451575, 4903150, 9806300, 41172451, 82344902, 164689804, 205862255, 288207157, 411724510, 576414314, 823449020, 1029311275, 1152828628, 1441035785, 2058622550, 2882071570, 4117245100, 5764143140, 7205178925, 14410357850, 28820715700]

約数ペア:

[(1, 28820715700), (2, 14410357850), (4, 7205178925), (5, 5764143140), (7, 4117245100), (10, 2882071570), (14, 2058622550), (20, 1441035785), (25, 1152828628), (28, 1029311275), (35, 823449020), (50, 576414314), (70, 411724510), (100, 288207157), (140, 205862255), (175, 164689804), (350, 82344902), (700, 41172451), (2939, 9806300), (5878, 4903150), (11756, 2451575), (14009, 2057300), (14695, 1961260), (20573, 1400900), (28018, 1028650), (29390, 980630), (41146, 700450), (56036, 514325), (58780, 490315), (70045, 411460), (73475, 392252), (82292, 350225), (98063, 293900), (102865, 280180), (140090, 205730), (146950, 196126)]