811300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:101

約数の個数: 72

約数和(自身を含む): 2152640

約数和(自身を除く): 1341340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 61, 70, 76, 95, 100, 122, 133, 140, 175, 190, 244, 266, 305, 350, 380, 427, 475, 532, 610, 665, 700, 854, 950, 1159, 1220, 1330, 1525, 1708, 1900, 2135, 2318, 2660, 3050, 3325, 4270, 4636, 5795, 6100, 6650, 8113, 8540, 10675, 11590, 13300, 16226, 21350, 23180, 28975, 32452, 40565, 42700, 57950, 81130, 115900, 162260, 202825, 405650, 811300]

約数ペア:

[(1, 811300), (2, 405650), (4, 202825), (5, 162260), (7, 115900), (10, 81130), (14, 57950), (19, 42700), (20, 40565), (25, 32452), (28, 28975), (35, 23180), (38, 21350), (50, 16226), (61, 13300), (70, 11590), (76, 10675), (95, 8540), (100, 8113), (122, 6650), (133, 6100), (140, 5795), (175, 4636), (190, 4270), (244, 3325), (266, 3050), (305, 2660), (350, 2318), (380, 2135), (427, 1900), (475, 1708), (532, 1525), (610, 1330), (665, 1220), (700, 1159), (854, 950)]