180682780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{8059}}^1$

素因数の和:8146

約数の個数: 48

約数和(自身を含む): 406224000

約数和(自身を除く): 225541220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 4484, 5605, 8059, 11210, 16118, 22420, 32236, 40295, 80590, 153121, 161180, 306242, 475481, 612484, 765605, 950962, 1531210, 1901924, 2377405, 3062420, 4754810, 9034139, 9509620, 18068278, 36136556, 45170695, 90341390, 180682780]

約数ペア:

[(1, 180682780), (2, 90341390), (4, 45170695), (5, 36136556), (10, 18068278), (19, 9509620), (20, 9034139), (38, 4754810), (59, 3062420), (76, 2377405), (95, 1901924), (118, 1531210), (190, 950962), (236, 765605), (295, 612484), (380, 475481), (590, 306242), (1121, 161180), (1180, 153121), (2242, 80590), (4484, 40295), (5605, 32236), (8059, 22420), (11210, 16118)]