123942400

素因数分解:

$2^9\times 5^2\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:472

約数の個数: 120

約数和(自身を含む): 321189264

約数和(自身を除く): 197246864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 200, 230, 256, 320, 368, 400, 421, 460, 512, 575, 640, 736, 800, 842, 920, 1150, 1280, 1472, 1600, 1684, 1840, 2105, 2300, 2560, 2944, 3200, 3368, 3680, 4210, 4600, 5888, 6400, 6736, 7360, 8420, 9200, 9683, 10525, 11776, 12800, 13472, 14720, 16840, 18400, 19366, 21050, 26944, 29440, 33680, 36800, 38732, 42100, 48415, 53888, 58880, 67360, 73600, 77464, 84200, 96830, 107776, 134720, 147200, 154928, 168400, 193660, 215552, 242075, 269440, 294400, 309856, 336800, 387320, 484150, 538880, 619712, 673600, 774640, 968300, 1077760, 1239424, 1347200, 1549280, 1936600, 2478848, 2694400, 3098560, 3873200, 4957696, 5388800, 6197120, 7746400, 12394240, 15492800, 24788480, 30985600, 61971200, 123942400]

約数ペア:

[(1, 123942400), (2, 61971200), (4, 30985600), (5, 24788480), (8, 15492800), (10, 12394240), (16, 7746400), (20, 6197120), (23, 5388800), (25, 4957696), (32, 3873200), (40, 3098560), (46, 2694400), (50, 2478848), (64, 1936600), (80, 1549280), (92, 1347200), (100, 1239424), (115, 1077760), (128, 968300), (160, 774640), (184, 673600), (200, 619712), (230, 538880), (256, 484150), (320, 387320), (368, 336800), (400, 309856), (421, 294400), (460, 269440), (512, 242075), (575, 215552), (640, 193660), (736, 168400), (800, 154928), (842, 147200), (920, 134720), (1150, 107776), (1280, 96830), (1472, 84200), (1600, 77464), (1684, 73600), (1840, 67360), (2105, 58880), (2300, 53888), (2560, 48415), (2944, 42100), (3200, 38732), (3368, 36800), (3680, 33680), (4210, 29440), (4600, 26944), (5888, 21050), (6400, 19366), (6736, 18400), (7360, 16840), (8420, 14720), (9200, 13472), (9683, 12800), (10525, 11776)]