248904040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{383}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 703365120

約数和(自身を除く): 454461080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 211, 220, 280, 308, 383, 385, 422, 440, 616, 766, 770, 844, 1055, 1477, 1532, 1540, 1688, 1915, 2110, 2321, 2681, 2954, 3064, 3080, 3830, 4213, 4220, 4642, 5362, 5908, 7385, 7660, 8426, 8440, 9284, 10724, 11605, 11816, 13405, 14770, 15320, 16247, 16852, 18568, 21065, 21448, 23210, 26810, 29491, 29540, 32494, 33704, 42130, 46420, 53620, 58982, 59080, 64988, 80813, 81235, 84260, 92840, 107240, 117964, 129976, 147455, 161626, 162470, 168520, 235928, 294910, 323252, 324940, 404065, 565691, 589820, 646504, 649880, 808130, 888943, 1131382, 1179640, 1616260, 1777886, 2262764, 2828455, 3232520, 3555772, 4444715, 4525528, 5656910, 6222601, 7111544, 8889430, 11313820, 12445202, 17778860, 22627640, 24890404, 31113005, 35557720, 49780808, 62226010, 124452020, 248904040]

約数ペア:

[(1, 248904040), (2, 124452020), (4, 62226010), (5, 49780808), (7, 35557720), (8, 31113005), (10, 24890404), (11, 22627640), (14, 17778860), (20, 12445202), (22, 11313820), (28, 8889430), (35, 7111544), (40, 6222601), (44, 5656910), (55, 4525528), (56, 4444715), (70, 3555772), (77, 3232520), (88, 2828455), (110, 2262764), (140, 1777886), (154, 1616260), (211, 1179640), (220, 1131382), (280, 888943), (308, 808130), (383, 649880), (385, 646504), (422, 589820), (440, 565691), (616, 404065), (766, 324940), (770, 323252), (844, 294910), (1055, 235928), (1477, 168520), (1532, 162470), (1540, 161626), (1688, 147455), (1915, 129976), (2110, 117964), (2321, 107240), (2681, 92840), (2954, 84260), (3064, 81235), (3080, 80813), (3830, 64988), (4213, 59080), (4220, 58982), (4642, 53620), (5362, 46420), (5908, 42130), (7385, 33704), (7660, 32494), (8426, 29540), (8440, 29491), (9284, 26810), (10724, 23210), (11605, 21448), (11816, 21065), (13405, 18568), (14770, 16852), (15320, 16247)]