205278450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 144

約数和(自身を含む): 576004800

約数和(自身を除く): 370726350

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 25, 26, 30, 39, 46, 50, 65, 69, 75, 78, 115, 130, 138, 150, 195, 199, 230, 299, 325, 345, 390, 398, 529, 575, 597, 598, 650, 690, 897, 975, 995, 1058, 1150, 1194, 1495, 1587, 1725, 1794, 1950, 1990, 2587, 2645, 2985, 2990, 3174, 3450, 4485, 4577, 4975, 5174, 5290, 5970, 6877, 7475, 7761, 7935, 8970, 9154, 9950, 12935, 13225, 13731, 13754, 14925, 14950, 15522, 15870, 20631, 22425, 22885, 25870, 26450, 27462, 29850, 34385, 38805, 39675, 41262, 44850, 45770, 59501, 64675, 68655, 68770, 77610, 79350, 103155, 105271, 114425, 119002, 129350, 137310, 171925, 178503, 194025, 206310, 210542, 228850, 297505, 315813, 343275, 343850, 357006, 388050, 515775, 526355, 595010, 631626, 686550, 892515, 1031550, 1052710, 1368523, 1487525, 1579065, 1785030, 2631775, 2737046, 2975050, 3158130, 4105569, 4462575, 5263550, 6842615, 7895325, 8211138, 8925150, 13685230, 15790650, 20527845, 34213075, 41055690, 68426150, 102639225, 205278450]

約数ペア:

[(1, 205278450), (2, 102639225), (3, 68426150), (5, 41055690), (6, 34213075), (10, 20527845), (13, 15790650), (15, 13685230), (23, 8925150), (25, 8211138), (26, 7895325), (30, 6842615), (39, 5263550), (46, 4462575), (50, 4105569), (65, 3158130), (69, 2975050), (75, 2737046), (78, 2631775), (115, 1785030), (130, 1579065), (138, 1487525), (150, 1368523), (195, 1052710), (199, 1031550), (230, 892515), (299, 686550), (325, 631626), (345, 595010), (390, 526355), (398, 515775), (529, 388050), (575, 357006), (597, 343850), (598, 343275), (650, 315813), (690, 297505), (897, 228850), (975, 210542), (995, 206310), (1058, 194025), (1150, 178503), (1194, 171925), (1495, 137310), (1587, 129350), (1725, 119002), (1794, 114425), (1950, 105271), (1990, 103155), (2587, 79350), (2645, 77610), (2985, 68770), (2990, 68655), (3174, 64675), (3450, 59501), (4485, 45770), (4577, 44850), (4975, 41262), (5174, 39675), (5290, 38805), (5970, 34385), (6877, 29850), (7475, 27462), (7761, 26450), (7935, 25870), (8970, 22885), (9154, 22425), (9950, 20631), (12935, 15870), (13225, 15522), (13731, 14950), (13754, 14925)]