201780176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 434336784

約数和(自身を除く): 232556608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 97, 104, 137, 146, 194, 208, 274, 292, 388, 548, 584, 776, 949, 1096, 1168, 1261, 1552, 1781, 1898, 2192, 2522, 3562, 3796, 5044, 7081, 7124, 7592, 10001, 10088, 13289, 14162, 14248, 15184, 20002, 20176, 26578, 28324, 28496, 40004, 53156, 56648, 80008, 92053, 106312, 113296, 130013, 160016, 172757, 184106, 212624, 260026, 345514, 368212, 520052, 691028, 736424, 970097, 1040104, 1382056, 1472848, 1940194, 2080208, 2764112, 3880388, 7760776, 12611261, 15521552, 25222522, 50445044, 100890088, 201780176]

約数ペア:

[(1, 201780176), (2, 100890088), (4, 50445044), (8, 25222522), (13, 15521552), (16, 12611261), (26, 7760776), (52, 3880388), (73, 2764112), (97, 2080208), (104, 1940194), (137, 1472848), (146, 1382056), (194, 1040104), (208, 970097), (274, 736424), (292, 691028), (388, 520052), (548, 368212), (584, 345514), (776, 260026), (949, 212624), (1096, 184106), (1168, 172757), (1261, 160016), (1552, 130013), (1781, 113296), (1898, 106312), (2192, 92053), (2522, 80008), (3562, 56648), (3796, 53156), (5044, 40004), (7081, 28496), (7124, 28324), (7592, 26578), (10001, 20176), (10088, 20002), (13289, 15184), (14162, 14248)]