428610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 1274112

約数和(自身を除く): 845502

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 157, 182, 195, 210, 273, 314, 390, 455, 471, 546, 785, 910, 942, 1099, 1365, 1570, 2041, 2198, 2355, 2730, 3297, 4082, 4710, 5495, 6123, 6594, 10205, 10990, 12246, 14287, 16485, 20410, 28574, 30615, 32970, 42861, 61230, 71435, 85722, 142870, 214305, 428610]

約数ペア:

[(1, 428610), (2, 214305), (3, 142870), (5, 85722), (6, 71435), (7, 61230), (10, 42861), (13, 32970), (14, 30615), (15, 28574), (21, 20410), (26, 16485), (30, 14287), (35, 12246), (39, 10990), (42, 10205), (65, 6594), (70, 6123), (78, 5495), (91, 4710), (105, 4082), (130, 3297), (157, 2730), (182, 2355), (195, 2198), (210, 2041), (273, 1570), (314, 1365), (390, 1099), (455, 942), (471, 910), (546, 785)]