69478750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 80

約数和(自身を含む): 147552768

約数和(自身を除く): 78074018

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 125, 155, 163, 250, 275, 310, 326, 341, 550, 625, 682, 775, 815, 1250, 1375, 1550, 1630, 1705, 1793, 2750, 3410, 3586, 3875, 4075, 5053, 6875, 7750, 8150, 8525, 8965, 10106, 13750, 17050, 17930, 19375, 20375, 25265, 38750, 40750, 42625, 44825, 50530, 55583, 85250, 89650, 101875, 111166, 126325, 203750, 213125, 224125, 252650, 277915, 426250, 448250, 555830, 631625, 1120625, 1263250, 1389575, 2241250, 2779150, 3158125, 6316250, 6947875, 13895750, 34739375, 69478750]

約数ペア:

[(1, 69478750), (2, 34739375), (5, 13895750), (10, 6947875), (11, 6316250), (22, 3158125), (25, 2779150), (31, 2241250), (50, 1389575), (55, 1263250), (62, 1120625), (110, 631625), (125, 555830), (155, 448250), (163, 426250), (250, 277915), (275, 252650), (310, 224125), (326, 213125), (341, 203750), (550, 126325), (625, 111166), (682, 101875), (775, 89650), (815, 85250), (1250, 55583), (1375, 50530), (1550, 44825), (1630, 42625), (1705, 40750), (1793, 38750), (2750, 25265), (3410, 20375), (3586, 19375), (3875, 17930), (4075, 17050), (5053, 13750), (6875, 10106), (7750, 8965), (8150, 8525)]