87818490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9661}}^1$

素因数の和:9775

約数の個数: 48

約数和(自身を含む): 230612616

約数和(自身を除く): 142794126

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 101, 202, 303, 505, 606, 909, 1010, 1515, 1818, 3030, 4545, 9090, 9661, 19322, 28983, 48305, 57966, 86949, 96610, 144915, 173898, 289830, 434745, 869490, 975761, 1951522, 2927283, 4878805, 5854566, 8781849, 9757610, 14636415, 17563698, 29272830, 43909245, 87818490]

約数ペア:

[(1, 87818490), (2, 43909245), (3, 29272830), (5, 17563698), (6, 14636415), (9, 9757610), (10, 8781849), (15, 5854566), (18, 4878805), (30, 2927283), (45, 1951522), (90, 975761), (101, 869490), (202, 434745), (303, 289830), (505, 173898), (606, 144915), (909, 96610), (1010, 86949), (1515, 57966), (1818, 48305), (3030, 28983), (4545, 19322), (9090, 9661)]