205118140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4597}}^1$

素因数の和:4726

約数の個数: 48

約数和(自身を含む): 454208832

約数和(自身を除く): 249090692

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 970, 1940, 2231, 4462, 4597, 8924, 9194, 11155, 18388, 22310, 22985, 44620, 45970, 91940, 105731, 211462, 422924, 445909, 528655, 891818, 1057310, 1783636, 2114620, 2229545, 4459090, 8918180, 10255907, 20511814, 41023628, 51279535, 102559070, 205118140]

約数ペア:

[(1, 205118140), (2, 102559070), (4, 51279535), (5, 41023628), (10, 20511814), (20, 10255907), (23, 8918180), (46, 4459090), (92, 2229545), (97, 2114620), (115, 1783636), (194, 1057310), (230, 891818), (388, 528655), (460, 445909), (485, 422924), (970, 211462), (1940, 105731), (2231, 91940), (4462, 45970), (4597, 44620), (8924, 22985), (9194, 22310), (11155, 18388)]