145525900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 108

約数和(自身を含む): 349456800

約数和(自身を除く): 203930900

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 79, 100, 109, 130, 158, 169, 218, 260, 316, 325, 338, 395, 436, 545, 650, 676, 790, 845, 1027, 1090, 1300, 1417, 1580, 1690, 1975, 2054, 2180, 2725, 2834, 3380, 3950, 4108, 4225, 5135, 5450, 5668, 7085, 7900, 8450, 8611, 10270, 10900, 13351, 14170, 16900, 17222, 18421, 20540, 25675, 26702, 28340, 34444, 35425, 36842, 43055, 51350, 53404, 66755, 70850, 73684, 86110, 92105, 102700, 111943, 133510, 141700, 172220, 184210, 215275, 223886, 267020, 333775, 368420, 430550, 447772, 460525, 559715, 667550, 861100, 921050, 1119430, 1335100, 1455259, 1842100, 2238860, 2798575, 2910518, 5597150, 5821036, 7276295, 11194300, 14552590, 29105180, 36381475, 72762950, 145525900]

約数ペア:

[(1, 145525900), (2, 72762950), (4, 36381475), (5, 29105180), (10, 14552590), (13, 11194300), (20, 7276295), (25, 5821036), (26, 5597150), (50, 2910518), (52, 2798575), (65, 2238860), (79, 1842100), (100, 1455259), (109, 1335100), (130, 1119430), (158, 921050), (169, 861100), (218, 667550), (260, 559715), (316, 460525), (325, 447772), (338, 430550), (395, 368420), (436, 333775), (545, 267020), (650, 223886), (676, 215275), (790, 184210), (845, 172220), (1027, 141700), (1090, 133510), (1300, 111943), (1417, 102700), (1580, 92105), (1690, 86110), (1975, 73684), (2054, 70850), (2180, 66755), (2725, 53404), (2834, 51350), (3380, 43055), (3950, 36842), (4108, 35425), (4225, 34444), (5135, 28340), (5450, 26702), (5668, 25675), (7085, 20540), (7900, 18421), (8450, 17222), (8611, 16900), (10270, 14170), (10900, 13351)]