388370430

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{205487}}^1$

素因数の和:205510

約数の個数: 64

約数和(自身を含む): 1183610880

約数和(自身を除く): 795240450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 205487, 410974, 616461, 1027435, 1232922, 1438409, 1849383, 2054870, 2876818, 3082305, 3698766, 4315227, 5548149, 6164610, 7192045, 8630454, 9246915, 11096298, 12945681, 14384090, 18493830, 21576135, 25891362, 27740745, 38837043, 43152270, 55481490, 64728405, 77674086, 129456810, 194185215, 388370430]

約数ペア:

[(1, 388370430), (2, 194185215), (3, 129456810), (5, 77674086), (6, 64728405), (7, 55481490), (9, 43152270), (10, 38837043), (14, 27740745), (15, 25891362), (18, 21576135), (21, 18493830), (27, 14384090), (30, 12945681), (35, 11096298), (42, 9246915), (45, 8630454), (54, 7192045), (63, 6164610), (70, 5548149), (90, 4315227), (105, 3698766), (126, 3082305), (135, 2876818), (189, 2054870), (210, 1849383), (270, 1438409), (315, 1232922), (378, 1027435), (630, 616461), (945, 410974), (1890, 205487)]