204978852

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 590728320

約数和(自身を除く): 385749468

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 137, 138, 139, 156, 207, 234, 274, 276, 278, 299, 411, 414, 417, 468, 548, 556, 598, 822, 828, 834, 897, 1196, 1233, 1251, 1644, 1668, 1781, 1794, 1807, 2466, 2502, 2691, 3151, 3197, 3562, 3588, 3614, 4932, 5004, 5343, 5382, 5421, 6302, 6394, 7124, 7228, 9453, 9591, 10686, 10764, 10842, 12604, 12788, 16029, 16263, 18906, 19043, 19182, 21372, 21684, 28359, 28773, 32058, 32526, 37812, 38086, 38364, 40963, 41561, 56718, 57129, 57546, 64116, 65052, 76172, 81926, 83122, 113436, 114258, 115092, 122889, 124683, 163852, 166244, 171387, 228516, 245778, 247559, 249366, 342774, 368667, 374049, 437989, 491556, 495118, 498732, 685548, 737334, 742677, 748098, 875978, 990236, 1313967, 1474668, 1485354, 1496196, 1751956, 2228031, 2627934, 2970708, 3941901, 4456062, 5255868, 5693857, 7883802, 8912124, 11387714, 15767604, 17081571, 22775428, 34163142, 51244713, 68326284, 102489426, 204978852]

約数ペア:

[(1, 204978852), (2, 102489426), (3, 68326284), (4, 51244713), (6, 34163142), (9, 22775428), (12, 17081571), (13, 15767604), (18, 11387714), (23, 8912124), (26, 7883802), (36, 5693857), (39, 5255868), (46, 4456062), (52, 3941901), (69, 2970708), (78, 2627934), (92, 2228031), (117, 1751956), (137, 1496196), (138, 1485354), (139, 1474668), (156, 1313967), (207, 990236), (234, 875978), (274, 748098), (276, 742677), (278, 737334), (299, 685548), (411, 498732), (414, 495118), (417, 491556), (468, 437989), (548, 374049), (556, 368667), (598, 342774), (822, 249366), (828, 247559), (834, 245778), (897, 228516), (1196, 171387), (1233, 166244), (1251, 163852), (1644, 124683), (1668, 122889), (1781, 115092), (1794, 114258), (1807, 113436), (2466, 83122), (2502, 81926), (2691, 76172), (3151, 65052), (3197, 64116), (3562, 57546), (3588, 57129), (3614, 56718), (4932, 41561), (5004, 40963), (5343, 38364), (5382, 38086), (5421, 37812), (6302, 32526), (6394, 32058), (7124, 28773), (7228, 28359), (9453, 21684), (9591, 21372), (10686, 19182), (10764, 19043), (10842, 18906), (12604, 16263), (12788, 16029)]