389751390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{88379}}^1$

素因数の和:88406

約数の個数: 72

約数和(自身を含む): 1178812440

約数和(自身を除く): 789061050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 88379, 176758, 265137, 441895, 530274, 618653, 795411, 883790, 1237306, 1325685, 1590822, 1855959, 2651370, 3093265, 3711918, 3977055, 4330571, 5567877, 6186530, 7954110, 8661142, 9279795, 11135754, 12991713, 18559590, 21652855, 25983426, 27839385, 38975139, 43305710, 55678770, 64958565, 77950278, 129917130, 194875695, 389751390]

約数ペア:

[(1, 389751390), (2, 194875695), (3, 129917130), (5, 77950278), (6, 64958565), (7, 55678770), (9, 43305710), (10, 38975139), (14, 27839385), (15, 25983426), (18, 21652855), (21, 18559590), (30, 12991713), (35, 11135754), (42, 9279795), (45, 8661142), (49, 7954110), (63, 6186530), (70, 5567877), (90, 4330571), (98, 3977055), (105, 3711918), (126, 3093265), (147, 2651370), (210, 1855959), (245, 1590822), (294, 1325685), (315, 1237306), (441, 883790), (490, 795411), (630, 618653), (735, 530274), (882, 441895), (1470, 265137), (2205, 176758), (4410, 88379)]