205655100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{97931}}^1$

素因数の和:97955

約数の個数: 72

約数和(自身を含む): 680039808

約数和(自身を除く): 474384708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 97931, 195862, 293793, 391724, 489655, 587586, 685517, 979310, 1175172, 1371034, 1468965, 1958620, 2056551, 2448275, 2742068, 2937930, 3427585, 4113102, 4896550, 5875860, 6855170, 7344825, 8226204, 9793100, 10282755, 13710340, 14689650, 17137925, 20565510, 29379300, 34275850, 41131020, 51413775, 68551700, 102827550, 205655100]

約数ペア:

[(1, 205655100), (2, 102827550), (3, 68551700), (4, 51413775), (5, 41131020), (6, 34275850), (7, 29379300), (10, 20565510), (12, 17137925), (14, 14689650), (15, 13710340), (20, 10282755), (21, 9793100), (25, 8226204), (28, 7344825), (30, 6855170), (35, 5875860), (42, 4896550), (50, 4113102), (60, 3427585), (70, 2937930), (75, 2742068), (84, 2448275), (100, 2056551), (105, 1958620), (140, 1468965), (150, 1371034), (175, 1175172), (210, 979310), (300, 685517), (350, 587586), (420, 489655), (525, 391724), (700, 293793), (1050, 195862), (2100, 97931)]