257821260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9833}}^1$

素因数の和:9887

約数の個数: 96

約数和(自身を含む): 793013760

約数和(自身を除く): 535192500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 38, 46, 57, 60, 69, 76, 92, 95, 114, 115, 138, 190, 228, 230, 276, 285, 345, 380, 437, 460, 570, 690, 874, 1140, 1311, 1380, 1748, 2185, 2622, 4370, 5244, 6555, 8740, 9833, 13110, 19666, 26220, 29499, 39332, 49165, 58998, 98330, 117996, 147495, 186827, 196660, 226159, 294990, 373654, 452318, 560481, 589980, 678477, 747308, 904636, 934135, 1120962, 1130795, 1356954, 1868270, 2241924, 2261590, 2713908, 2802405, 3392385, 3736540, 4297021, 4523180, 5604810, 6784770, 8594042, 11209620, 12891063, 13569540, 17188084, 21485105, 25782126, 42970210, 51564252, 64455315, 85940420, 128910630, 257821260]

約数ペア:

[(1, 257821260), (2, 128910630), (3, 85940420), (4, 64455315), (5, 51564252), (6, 42970210), (10, 25782126), (12, 21485105), (15, 17188084), (19, 13569540), (20, 12891063), (23, 11209620), (30, 8594042), (38, 6784770), (46, 5604810), (57, 4523180), (60, 4297021), (69, 3736540), (76, 3392385), (92, 2802405), (95, 2713908), (114, 2261590), (115, 2241924), (138, 1868270), (190, 1356954), (228, 1130795), (230, 1120962), (276, 934135), (285, 904636), (345, 747308), (380, 678477), (437, 589980), (460, 560481), (570, 452318), (690, 373654), (874, 294990), (1140, 226159), (1311, 196660), (1380, 186827), (1748, 147495), (2185, 117996), (2622, 98330), (4370, 58998), (5244, 49165), (6555, 39332), (8740, 29499), (9833, 26220), (13110, 19666)]