258186040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:941

約数の個数: 128

約数和(自身を含む): 708341760

約数和(自身を除く): 450155720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 47, 56, 70, 92, 94, 115, 140, 161, 184, 188, 230, 235, 280, 322, 329, 376, 460, 470, 644, 658, 805, 853, 920, 940, 1081, 1288, 1316, 1610, 1645, 1706, 1880, 2162, 2632, 3220, 3290, 3412, 4265, 4324, 5405, 5971, 6440, 6580, 6824, 7567, 8530, 8648, 10810, 11942, 13160, 15134, 17060, 19619, 21620, 23884, 29855, 30268, 34120, 37835, 39238, 40091, 43240, 47768, 59710, 60536, 75670, 78476, 80182, 98095, 119420, 137333, 151340, 156952, 160364, 196190, 200455, 238840, 274666, 280637, 302680, 320728, 392380, 400910, 549332, 561274, 686665, 784760, 801820, 922093, 1098664, 1122548, 1373330, 1403185, 1603640, 1844186, 2245096, 2746660, 2806370, 3688372, 4610465, 5493320, 5612740, 6454651, 7376744, 9220930, 11225480, 12909302, 18441860, 25818604, 32273255, 36883720, 51637208, 64546510, 129093020, 258186040]

約数ペア:

[(1, 258186040), (2, 129093020), (4, 64546510), (5, 51637208), (7, 36883720), (8, 32273255), (10, 25818604), (14, 18441860), (20, 12909302), (23, 11225480), (28, 9220930), (35, 7376744), (40, 6454651), (46, 5612740), (47, 5493320), (56, 4610465), (70, 3688372), (92, 2806370), (94, 2746660), (115, 2245096), (140, 1844186), (161, 1603640), (184, 1403185), (188, 1373330), (230, 1122548), (235, 1098664), (280, 922093), (322, 801820), (329, 784760), (376, 686665), (460, 561274), (470, 549332), (644, 400910), (658, 392380), (805, 320728), (853, 302680), (920, 280637), (940, 274666), (1081, 238840), (1288, 200455), (1316, 196190), (1610, 160364), (1645, 156952), (1706, 151340), (1880, 137333), (2162, 119420), (2632, 98095), (3220, 80182), (3290, 78476), (3412, 75670), (4265, 60536), (4324, 59710), (5405, 47768), (5971, 43240), (6440, 40091), (6580, 39238), (6824, 37835), (7567, 34120), (8530, 30268), (8648, 29855), (10810, 23884), (11942, 21620), (13160, 19619), (15134, 17060)]