28273550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:126

約数の個数: 96

約数和(自身を含む): 61067520

約数和(自身を除く): 32793970

約数列:

[1, 2, 5, 10, 17, 25, 29, 31, 34, 37, 50, 58, 62, 74, 85, 145, 155, 170, 185, 290, 310, 370, 425, 493, 527, 629, 725, 775, 850, 899, 925, 986, 1054, 1073, 1147, 1258, 1450, 1550, 1798, 1850, 2146, 2294, 2465, 2635, 3145, 4495, 4930, 5270, 5365, 5735, 6290, 8990, 10730, 11470, 12325, 13175, 15283, 15725, 18241, 19499, 22475, 24650, 26350, 26825, 28675, 30566, 31450, 33263, 36482, 38998, 44950, 53650, 57350, 66526, 76415, 91205, 97495, 152830, 166315, 182410, 194990, 332630, 382075, 456025, 487475, 565471, 764150, 831575, 912050, 974950, 1130942, 1663150, 2827355, 5654710, 14136775, 28273550]

約数ペア:

[(1, 28273550), (2, 14136775), (5, 5654710), (10, 2827355), (17, 1663150), (25, 1130942), (29, 974950), (31, 912050), (34, 831575), (37, 764150), (50, 565471), (58, 487475), (62, 456025), (74, 382075), (85, 332630), (145, 194990), (155, 182410), (170, 166315), (185, 152830), (290, 97495), (310, 91205), (370, 76415), (425, 66526), (493, 57350), (527, 53650), (629, 44950), (725, 38998), (775, 36482), (850, 33263), (899, 31450), (925, 30566), (986, 28675), (1054, 26825), (1073, 26350), (1147, 24650), (1258, 22475), (1450, 19499), (1550, 18241), (1798, 15725), (1850, 15283), (2146, 13175), (2294, 12325), (2465, 11470), (2635, 10730), (3145, 8990), (4495, 6290), (4930, 5735), (5270, 5365)]