201530830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 392491008

約数和(自身を除く): 190960178

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 103, 115, 181, 206, 230, 235, 362, 470, 515, 905, 1030, 1081, 1810, 2162, 2369, 4163, 4738, 4841, 5405, 8326, 8507, 9682, 10810, 11845, 17014, 18643, 20815, 23690, 24205, 37286, 41630, 42535, 48410, 85070, 93215, 111343, 186430, 195661, 222686, 391322, 428789, 556715, 857578, 876221, 978305, 1113430, 1752442, 1956610, 2143945, 4287890, 4381105, 8762210, 20153083, 40306166, 100765415, 201530830]

約数ペア:

[(1, 201530830), (2, 100765415), (5, 40306166), (10, 20153083), (23, 8762210), (46, 4381105), (47, 4287890), (94, 2143945), (103, 1956610), (115, 1752442), (181, 1113430), (206, 978305), (230, 876221), (235, 857578), (362, 556715), (470, 428789), (515, 391322), (905, 222686), (1030, 195661), (1081, 186430), (1810, 111343), (2162, 93215), (2369, 85070), (4163, 48410), (4738, 42535), (4841, 41630), (5405, 37286), (8326, 24205), (8507, 23690), (9682, 20815), (10810, 18643), (11845, 17014)]