201921140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2693}}^1$

素因数の和:2888

約数の個数: 48

約数和(自身を含む): 445350528

約数和(自身を除く): 243429388

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 163, 230, 326, 460, 652, 815, 1630, 2693, 3260, 3749, 5386, 7498, 10772, 13465, 14996, 18745, 26930, 37490, 53860, 61939, 74980, 123878, 247756, 309695, 438959, 619390, 877918, 1238780, 1755836, 2194795, 4389590, 8779180, 10096057, 20192114, 40384228, 50480285, 100960570, 201921140]

約数ペア:

[(1, 201921140), (2, 100960570), (4, 50480285), (5, 40384228), (10, 20192114), (20, 10096057), (23, 8779180), (46, 4389590), (92, 2194795), (115, 1755836), (163, 1238780), (230, 877918), (326, 619390), (460, 438959), (652, 309695), (815, 247756), (1630, 123878), (2693, 74980), (3260, 61939), (3749, 53860), (5386, 37490), (7498, 26930), (10772, 18745), (13465, 14996)]