28296800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 81994752

約数和(自身を除く): 53697952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 163, 175, 200, 217, 224, 248, 280, 310, 326, 350, 400, 434, 496, 560, 620, 652, 700, 775, 800, 815, 868, 992, 1085, 1120, 1141, 1240, 1304, 1400, 1550, 1630, 1736, 2170, 2282, 2480, 2608, 2800, 3100, 3260, 3472, 4075, 4340, 4564, 4960, 5053, 5216, 5425, 5600, 5705, 6200, 6520, 6944, 8150, 8680, 9128, 10106, 10850, 11410, 12400, 13040, 16300, 17360, 18256, 20212, 21700, 22820, 24800, 25265, 26080, 28525, 32600, 34720, 35371, 36512, 40424, 43400, 45640, 50530, 57050, 65200, 70742, 80848, 86800, 91280, 101060, 114100, 126325, 130400, 141484, 161696, 173600, 176855, 182560, 202120, 228200, 252650, 282968, 353710, 404240, 456400, 505300, 565936, 707420, 808480, 884275, 912800, 1010600, 1131872, 1414840, 1768550, 2021200, 2829680, 3537100, 4042400, 5659360, 7074200, 14148400, 28296800]

約数ペア:

[(1, 28296800), (2, 14148400), (4, 7074200), (5, 5659360), (7, 4042400), (8, 3537100), (10, 2829680), (14, 2021200), (16, 1768550), (20, 1414840), (25, 1131872), (28, 1010600), (31, 912800), (32, 884275), (35, 808480), (40, 707420), (50, 565936), (56, 505300), (62, 456400), (70, 404240), (80, 353710), (100, 282968), (112, 252650), (124, 228200), (140, 202120), (155, 182560), (160, 176855), (163, 173600), (175, 161696), (200, 141484), (217, 130400), (224, 126325), (248, 114100), (280, 101060), (310, 91280), (326, 86800), (350, 80848), (400, 70742), (434, 65200), (496, 57050), (560, 50530), (620, 45640), (652, 43400), (700, 40424), (775, 36512), (800, 35371), (815, 34720), (868, 32600), (992, 28525), (1085, 26080), (1120, 25265), (1141, 24800), (1240, 22820), (1304, 21700), (1400, 20212), (1550, 18256), (1630, 17360), (1736, 16300), (2170, 13040), (2282, 12400), (2480, 11410), (2608, 10850), (2800, 10106), (3100, 9128), (3260, 8680), (3472, 8150), (4075, 6944), (4340, 6520), (4564, 6200), (4960, 5705), (5053, 5600), (5216, 5425)]