277739900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 616741776

約数和(自身を除く): 339001876

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 107, 202, 214, 257, 404, 428, 505, 514, 535, 1010, 1028, 1070, 1285, 2020, 2140, 2525, 2570, 2675, 5050, 5140, 5350, 6425, 10100, 10700, 10807, 12850, 21614, 25700, 25957, 27499, 43228, 51914, 54035, 54998, 103828, 108070, 109996, 129785, 137495, 216140, 259570, 270175, 274990, 519140, 540350, 549980, 648925, 687475, 1080700, 1297850, 1374950, 2595700, 2749900, 2777399, 5554798, 11109596, 13886995, 27773990, 55547980, 69434975, 138869950, 277739900]

約数ペア:

[(1, 277739900), (2, 138869950), (4, 69434975), (5, 55547980), (10, 27773990), (20, 13886995), (25, 11109596), (50, 5554798), (100, 2777399), (101, 2749900), (107, 2595700), (202, 1374950), (214, 1297850), (257, 1080700), (404, 687475), (428, 648925), (505, 549980), (514, 540350), (535, 519140), (1010, 274990), (1028, 270175), (1070, 259570), (1285, 216140), (2020, 137495), (2140, 129785), (2525, 109996), (2570, 108070), (2675, 103828), (5050, 54998), (5140, 54035), (5350, 51914), (6425, 43228), (10100, 27499), (10700, 25957), (10807, 25700), (12850, 21614)]