201784780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{4643}}^1$

素因数の和:4746

約数の個数: 48

約数和(自身を含む): 442368864

約数和(自身を除く): 240584084

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 2173, 4346, 4643, 8692, 9286, 10865, 18572, 21730, 23215, 43460, 46430, 92860, 190363, 246079, 380726, 492158, 761452, 951815, 984316, 1230395, 1903630, 2460790, 3807260, 4921580, 10089239, 20178478, 40356956, 50446195, 100892390, 201784780]

約数ペア:

[(1, 201784780), (2, 100892390), (4, 50446195), (5, 40356956), (10, 20178478), (20, 10089239), (41, 4921580), (53, 3807260), (82, 2460790), (106, 1903630), (164, 1230395), (205, 984316), (212, 951815), (265, 761452), (410, 492158), (530, 380726), (820, 246079), (1060, 190363), (2173, 92860), (4346, 46430), (4643, 43460), (8692, 23215), (9286, 21730), (10865, 18572)]