206721700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:382

約数の個数: 108

約数和(自身を含む): 498843072

約数和(自身を除く): 292121372

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 34, 46, 50, 68, 85, 92, 100, 115, 170, 230, 289, 311, 340, 391, 425, 460, 575, 578, 622, 782, 850, 1150, 1156, 1244, 1445, 1555, 1564, 1700, 1955, 2300, 2890, 3110, 3910, 5287, 5780, 6220, 6647, 7153, 7225, 7775, 7820, 9775, 10574, 13294, 14306, 14450, 15550, 19550, 21148, 26435, 26588, 28612, 28900, 31100, 33235, 35765, 39100, 52870, 66470, 71530, 89879, 105740, 121601, 132175, 132940, 143060, 166175, 178825, 179758, 243202, 264350, 332350, 357650, 359516, 449395, 486404, 528700, 608005, 664700, 715300, 898790, 1216010, 1797580, 2067217, 2246975, 2432020, 3040025, 4134434, 4493950, 6080050, 8268868, 8987900, 10336085, 12160100, 20672170, 41344340, 51680425, 103360850, 206721700]

約数ペア:

[(1, 206721700), (2, 103360850), (4, 51680425), (5, 41344340), (10, 20672170), (17, 12160100), (20, 10336085), (23, 8987900), (25, 8268868), (34, 6080050), (46, 4493950), (50, 4134434), (68, 3040025), (85, 2432020), (92, 2246975), (100, 2067217), (115, 1797580), (170, 1216010), (230, 898790), (289, 715300), (311, 664700), (340, 608005), (391, 528700), (425, 486404), (460, 449395), (575, 359516), (578, 357650), (622, 332350), (782, 264350), (850, 243202), (1150, 179758), (1156, 178825), (1244, 166175), (1445, 143060), (1555, 132940), (1564, 132175), (1700, 121601), (1955, 105740), (2300, 89879), (2890, 71530), (3110, 66470), (3910, 52870), (5287, 39100), (5780, 35765), (6220, 33235), (6647, 31100), (7153, 28900), (7225, 28612), (7775, 26588), (7820, 26435), (9775, 21148), (10574, 19550), (13294, 15550), (14306, 14450)]