339973820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 765903600

約数和(自身を除く): 425929780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 289, 340, 449, 524, 578, 655, 898, 1156, 1310, 1445, 1796, 2227, 2245, 2620, 2890, 4454, 4490, 5780, 7633, 8908, 8980, 11135, 15266, 22270, 30532, 37859, 38165, 44540, 58819, 75718, 76330, 117638, 129761, 151436, 152660, 189295, 235276, 259522, 294095, 378590, 519044, 588190, 648805, 757180, 999923, 1176380, 1297610, 1999846, 2595220, 3999692, 4999615, 9999230, 16998691, 19998460, 33997382, 67994764, 84993455, 169986910, 339973820]

約数ペア:

[(1, 339973820), (2, 169986910), (4, 84993455), (5, 67994764), (10, 33997382), (17, 19998460), (20, 16998691), (34, 9999230), (68, 4999615), (85, 3999692), (131, 2595220), (170, 1999846), (262, 1297610), (289, 1176380), (340, 999923), (449, 757180), (524, 648805), (578, 588190), (655, 519044), (898, 378590), (1156, 294095), (1310, 259522), (1445, 235276), (1796, 189295), (2227, 152660), (2245, 151436), (2620, 129761), (2890, 117638), (4454, 76330), (4490, 75718), (5780, 58819), (7633, 44540), (8908, 38165), (8980, 37859), (11135, 30532), (15266, 22270)]