202510140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{68881}}^1$

素因数の和:68907

約数の個数: 72

約数和(自身を含む): 659614032

約数和(自身を除く): 457103892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 68881, 137762, 206643, 275524, 344405, 413286, 482167, 688810, 826572, 964334, 1033215, 1377620, 1446501, 1928668, 2066430, 2410835, 2893002, 3375169, 4132860, 4821670, 5786004, 6750338, 7232505, 9643340, 10125507, 13500676, 14465010, 16875845, 20251014, 28930020, 33751690, 40502028, 50627535, 67503380, 101255070, 202510140]

約数ペア:

[(1, 202510140), (2, 101255070), (3, 67503380), (4, 50627535), (5, 40502028), (6, 33751690), (7, 28930020), (10, 20251014), (12, 16875845), (14, 14465010), (15, 13500676), (20, 10125507), (21, 9643340), (28, 7232505), (30, 6750338), (35, 5786004), (42, 4821670), (49, 4132860), (60, 3375169), (70, 2893002), (84, 2410835), (98, 2066430), (105, 1928668), (140, 1446501), (147, 1377620), (196, 1033215), (210, 964334), (245, 826572), (294, 688810), (420, 482167), (490, 413286), (588, 344405), (735, 275524), (980, 206643), (1470, 137762), (2940, 68881)]