28173650

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 54720456

約数和(自身を除く): 26546806

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 97, 157, 185, 194, 314, 370, 485, 785, 925, 970, 1570, 1850, 2425, 3589, 3925, 4850, 5809, 7178, 7850, 11618, 15229, 17945, 29045, 30458, 35890, 58090, 76145, 89725, 145225, 152290, 179450, 290450, 380725, 563473, 761450, 1126946, 2817365, 5634730, 14086825, 28173650]

約数ペア:

[(1, 28173650), (2, 14086825), (5, 5634730), (10, 2817365), (25, 1126946), (37, 761450), (50, 563473), (74, 380725), (97, 290450), (157, 179450), (185, 152290), (194, 145225), (314, 89725), (370, 76145), (485, 58090), (785, 35890), (925, 30458), (970, 29045), (1570, 17945), (1850, 15229), (2425, 11618), (3589, 7850), (3925, 7178), (4850, 5809)]