101254020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{491}}^2$

素因数の和:1001

約数の個数: 72

約数和(自身を含む): 324674112

約数和(自身を除く): 223420092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 491, 982, 1473, 1964, 2455, 2946, 3437, 4910, 5892, 6874, 7365, 9820, 10311, 13748, 14730, 17185, 20622, 29460, 34370, 41244, 51555, 68740, 103110, 206220, 241081, 482162, 723243, 964324, 1205405, 1446486, 1687567, 2410810, 2892972, 3375134, 3616215, 4821620, 5062701, 6750268, 7232430, 8437835, 10125402, 14464860, 16875670, 20250804, 25313505, 33751340, 50627010, 101254020]

約数ペア:

[(1, 101254020), (2, 50627010), (3, 33751340), (4, 25313505), (5, 20250804), (6, 16875670), (7, 14464860), (10, 10125402), (12, 8437835), (14, 7232430), (15, 6750268), (20, 5062701), (21, 4821620), (28, 3616215), (30, 3375134), (35, 2892972), (42, 2410810), (60, 1687567), (70, 1446486), (84, 1205405), (105, 964324), (140, 723243), (210, 482162), (420, 241081), (491, 206220), (982, 103110), (1473, 68740), (1964, 51555), (2455, 41244), (2946, 34370), (3437, 29460), (4910, 20622), (5892, 17185), (6874, 14730), (7365, 13748), (9820, 10311)]