71749420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2557}}^1$

素因数の和:2650

約数の個数: 48

約数和(自身を含む): 159864768

約数和(自身を除く): 88115348

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 1220, 1403, 2557, 2806, 5114, 5612, 7015, 10228, 12785, 14030, 25570, 28060, 51140, 58811, 117622, 155977, 235244, 294055, 311954, 588110, 623908, 779885, 1176220, 1559770, 3119540, 3587471, 7174942, 14349884, 17937355, 35874710, 71749420]

約数ペア:

[(1, 71749420), (2, 35874710), (4, 17937355), (5, 14349884), (10, 7174942), (20, 3587471), (23, 3119540), (46, 1559770), (61, 1176220), (92, 779885), (115, 623908), (122, 588110), (230, 311954), (244, 294055), (305, 235244), (460, 155977), (610, 117622), (1220, 58811), (1403, 51140), (2557, 28060), (2806, 25570), (5114, 14030), (5612, 12785), (7015, 10228)]