205666500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 192

約数和(自身を含む): 660441600

約数和(自身を除く): 454775100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 53, 60, 65, 75, 78, 100, 106, 125, 130, 150, 156, 159, 195, 199, 212, 250, 260, 265, 300, 318, 325, 375, 390, 398, 500, 530, 597, 636, 650, 689, 750, 780, 795, 796, 975, 995, 1060, 1194, 1300, 1325, 1378, 1500, 1590, 1625, 1950, 1990, 2067, 2388, 2587, 2650, 2756, 2985, 3180, 3250, 3445, 3900, 3975, 3980, 4134, 4875, 4975, 5174, 5300, 5970, 6500, 6625, 6890, 7761, 7950, 8268, 9750, 9950, 10335, 10348, 10547, 11940, 12935, 13250, 13780, 14925, 15522, 15900, 17225, 19500, 19875, 19900, 20670, 21094, 24875, 25870, 26500, 29850, 31044, 31641, 34450, 38805, 39750, 41340, 42188, 49750, 51675, 51740, 52735, 59700, 63282, 64675, 68900, 74625, 77610, 79500, 86125, 99500, 103350, 105470, 126564, 129350, 137111, 149250, 155220, 158205, 172250, 194025, 206700, 210940, 258375, 258700, 263675, 274222, 298500, 316410, 323375, 344500, 388050, 411333, 516750, 527350, 548444, 632820, 646750, 685555, 776100, 791025, 822666, 970125, 1033500, 1054700, 1293500, 1318375, 1371110, 1582050, 1645332, 1940250, 2056665, 2636750, 2742220, 3164100, 3427775, 3880500, 3955125, 4113330, 5273500, 6855550, 7910250, 8226660, 10283325, 13711100, 15820500, 17138875, 20566650, 34277750, 41133300, 51416625, 68555500, 102833250, 205666500]

約数ペア:

[(1, 205666500), (2, 102833250), (3, 68555500), (4, 51416625), (5, 41133300), (6, 34277750), (10, 20566650), (12, 17138875), (13, 15820500), (15, 13711100), (20, 10283325), (25, 8226660), (26, 7910250), (30, 6855550), (39, 5273500), (50, 4113330), (52, 3955125), (53, 3880500), (60, 3427775), (65, 3164100), (75, 2742220), (78, 2636750), (100, 2056665), (106, 1940250), (125, 1645332), (130, 1582050), (150, 1371110), (156, 1318375), (159, 1293500), (195, 1054700), (199, 1033500), (212, 970125), (250, 822666), (260, 791025), (265, 776100), (300, 685555), (318, 646750), (325, 632820), (375, 548444), (390, 527350), (398, 516750), (500, 411333), (530, 388050), (597, 344500), (636, 323375), (650, 316410), (689, 298500), (750, 274222), (780, 263675), (795, 258700), (796, 258375), (975, 210940), (995, 206700), (1060, 194025), (1194, 172250), (1300, 158205), (1325, 155220), (1378, 149250), (1500, 137111), (1590, 129350), (1625, 126564), (1950, 105470), (1990, 103350), (2067, 99500), (2388, 86125), (2587, 79500), (2650, 77610), (2756, 74625), (2985, 68900), (3180, 64675), (3250, 63282), (3445, 59700), (3900, 52735), (3975, 51740), (3980, 51675), (4134, 49750), (4875, 42188), (4975, 41340), (5174, 39750), (5300, 38805), (5970, 34450), (6500, 31641), (6625, 31044), (6890, 29850), (7761, 26500), (7950, 25870), (8268, 24875), (9750, 21094), (9950, 20670), (10335, 19900), (10348, 19875), (10547, 19500), (11940, 17225), (12935, 15900), (13250, 15522), (13780, 14925)]