204979404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 611670528

約数和(自身を除く): 406691124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 23, 28, 34, 42, 46, 51, 68, 69, 79, 84, 92, 102, 119, 138, 158, 161, 204, 237, 238, 276, 316, 322, 357, 391, 474, 476, 483, 553, 644, 714, 782, 948, 966, 1106, 1173, 1343, 1428, 1564, 1659, 1817, 1932, 2212, 2346, 2686, 2737, 3318, 3634, 4029, 4692, 5372, 5451, 5474, 6241, 6636, 7268, 8058, 8211, 9401, 10902, 10948, 12482, 12719, 16116, 16422, 18723, 18802, 21804, 24964, 25438, 28203, 30889, 32844, 37446, 37604, 38157, 43687, 50876, 56406, 61778, 74892, 76314, 87374, 92667, 106097, 112812, 123556, 131061, 143543, 152628, 174748, 185334, 212194, 216223, 262122, 287086, 318291, 370668, 424388, 430629, 432446, 524244, 574172, 636582, 648669, 742679, 861258, 864892, 1004801, 1273164, 1297338, 1485358, 1722516, 2009602, 2228037, 2440231, 2594676, 2970716, 3014403, 4019204, 4456074, 4880462, 6028806, 7320693, 8912148, 9760924, 12057612, 14641386, 17081617, 29282772, 34163234, 51244851, 68326468, 102489702, 204979404]

約数ペア:

[(1, 204979404), (2, 102489702), (3, 68326468), (4, 51244851), (6, 34163234), (7, 29282772), (12, 17081617), (14, 14641386), (17, 12057612), (21, 9760924), (23, 8912148), (28, 7320693), (34, 6028806), (42, 4880462), (46, 4456074), (51, 4019204), (68, 3014403), (69, 2970716), (79, 2594676), (84, 2440231), (92, 2228037), (102, 2009602), (119, 1722516), (138, 1485358), (158, 1297338), (161, 1273164), (204, 1004801), (237, 864892), (238, 861258), (276, 742679), (316, 648669), (322, 636582), (357, 574172), (391, 524244), (474, 432446), (476, 430629), (483, 424388), (553, 370668), (644, 318291), (714, 287086), (782, 262122), (948, 216223), (966, 212194), (1106, 185334), (1173, 174748), (1343, 152628), (1428, 143543), (1564, 131061), (1659, 123556), (1817, 112812), (1932, 106097), (2212, 92667), (2346, 87374), (2686, 76314), (2737, 74892), (3318, 61778), (3634, 56406), (4029, 50876), (4692, 43687), (5372, 38157), (5451, 37604), (5474, 37446), (6241, 32844), (6636, 30889), (7268, 28203), (8058, 25438), (8211, 24964), (9401, 21804), (10902, 18802), (10948, 18723), (12482, 16422), (12719, 16116)]