513980920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 1249214400

約数和(自身を除く): 735233480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 101, 107, 116, 145, 164, 202, 205, 214, 232, 290, 328, 404, 410, 428, 505, 535, 580, 808, 820, 856, 1010, 1070, 1160, 1189, 1640, 2020, 2140, 2378, 2929, 3103, 4040, 4141, 4280, 4387, 4756, 5858, 5945, 6206, 8282, 8774, 9512, 10807, 11716, 11890, 12412, 14645, 15515, 16564, 17548, 20705, 21614, 21935, 23432, 23780, 24824, 29290, 31030, 33128, 35096, 41410, 43228, 43870, 47560, 54035, 58580, 62060, 82820, 86456, 87740, 108070, 117160, 120089, 124120, 127223, 165640, 175480, 216140, 240178, 254446, 313403, 432280, 443087, 480356, 508892, 600445, 626806, 636115, 886174, 960712, 1017784, 1200890, 1253612, 1272230, 1567015, 1772348, 2215435, 2401780, 2507224, 2544460, 3134030, 3544696, 4430870, 4803560, 5088920, 6268060, 8861740, 12536120, 12849523, 17723480, 25699046, 51398092, 64247615, 102796184, 128495230, 256990460, 513980920]

約数ペア:

[(1, 513980920), (2, 256990460), (4, 128495230), (5, 102796184), (8, 64247615), (10, 51398092), (20, 25699046), (29, 17723480), (40, 12849523), (41, 12536120), (58, 8861740), (82, 6268060), (101, 5088920), (107, 4803560), (116, 4430870), (145, 3544696), (164, 3134030), (202, 2544460), (205, 2507224), (214, 2401780), (232, 2215435), (290, 1772348), (328, 1567015), (404, 1272230), (410, 1253612), (428, 1200890), (505, 1017784), (535, 960712), (580, 886174), (808, 636115), (820, 626806), (856, 600445), (1010, 508892), (1070, 480356), (1160, 443087), (1189, 432280), (1640, 313403), (2020, 254446), (2140, 240178), (2378, 216140), (2929, 175480), (3103, 165640), (4040, 127223), (4141, 124120), (4280, 120089), (4387, 117160), (4756, 108070), (5858, 87740), (5945, 86456), (6206, 82820), (8282, 62060), (8774, 58580), (9512, 54035), (10807, 47560), (11716, 43870), (11890, 43228), (12412, 41410), (14645, 35096), (15515, 33128), (16564, 31030), (17548, 29290), (20705, 24824), (21614, 23780), (21935, 23432)]