245203816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:467

約数の個数: 128

約数和(自身を含む): 589680000

約数和(自身を除く): 344476184

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 29, 38, 44, 52, 58, 76, 88, 104, 116, 143, 152, 209, 232, 247, 286, 319, 377, 389, 418, 494, 551, 572, 638, 754, 778, 836, 988, 1102, 1144, 1276, 1508, 1556, 1672, 1976, 2204, 2552, 2717, 3016, 3112, 4147, 4279, 4408, 5057, 5434, 6061, 7163, 7391, 8294, 8558, 10114, 10868, 11281, 12122, 14326, 14782, 16588, 17116, 20228, 21736, 22562, 24244, 28652, 29564, 33176, 34232, 40456, 45124, 48488, 55627, 57304, 59128, 78793, 81301, 90248, 96083, 111254, 124091, 146653, 157586, 162602, 192166, 214339, 222508, 248182, 293306, 315172, 325204, 384332, 428678, 445016, 496364, 586612, 630344, 650408, 768664, 857356, 992728, 1056913, 1173224, 1613183, 1714712, 2113826, 2357729, 2786407, 3226366, 4227652, 4715458, 5572814, 6452732, 8455304, 9430916, 11145628, 12905464, 18861832, 22291256, 30650477, 61300954, 122601908, 245203816]

約数ペア:

[(1, 245203816), (2, 122601908), (4, 61300954), (8, 30650477), (11, 22291256), (13, 18861832), (19, 12905464), (22, 11145628), (26, 9430916), (29, 8455304), (38, 6452732), (44, 5572814), (52, 4715458), (58, 4227652), (76, 3226366), (88, 2786407), (104, 2357729), (116, 2113826), (143, 1714712), (152, 1613183), (209, 1173224), (232, 1056913), (247, 992728), (286, 857356), (319, 768664), (377, 650408), (389, 630344), (418, 586612), (494, 496364), (551, 445016), (572, 428678), (638, 384332), (754, 325204), (778, 315172), (836, 293306), (988, 248182), (1102, 222508), (1144, 214339), (1276, 192166), (1508, 162602), (1556, 157586), (1672, 146653), (1976, 124091), (2204, 111254), (2552, 96083), (2717, 90248), (3016, 81301), (3112, 78793), (4147, 59128), (4279, 57304), (4408, 55627), (5057, 48488), (5434, 45124), (6061, 40456), (7163, 34232), (7391, 33176), (8294, 29564), (8558, 28652), (10114, 24244), (10868, 22562), (11281, 21736), (12122, 20228), (14326, 17116), (14782, 16588)]