199961172

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 555714432

約数和(自身を除く): 355753260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 37, 46, 61, 69, 74, 92, 107, 111, 122, 138, 148, 183, 207, 214, 222, 244, 276, 321, 333, 366, 414, 428, 444, 549, 642, 666, 732, 828, 851, 963, 1098, 1284, 1332, 1403, 1702, 1926, 2196, 2257, 2461, 2553, 2806, 3404, 3852, 3959, 4209, 4514, 4922, 5106, 5612, 6527, 6771, 7383, 7659, 7918, 8418, 9028, 9844, 10212, 11877, 12627, 13054, 13542, 14766, 15318, 15836, 16836, 19581, 20313, 22149, 23754, 25254, 26108, 27084, 29532, 30636, 35631, 39162, 40626, 44298, 47508, 50508, 51911, 58743, 71262, 78324, 81252, 88596, 91057, 103822, 117486, 142524, 150121, 155733, 182114, 207644, 234972, 241499, 273171, 300242, 311466, 364228, 450363, 467199, 482998, 546342, 600484, 622932, 724497, 819513, 900726, 934398, 965996, 1092684, 1351089, 1448994, 1639026, 1801452, 1868796, 2173491, 2702178, 2897988, 3278052, 4346982, 5404356, 5554477, 8693964, 11108954, 16663431, 22217908, 33326862, 49990293, 66653724, 99980586, 199961172]

約数ペア:

[(1, 199961172), (2, 99980586), (3, 66653724), (4, 49990293), (6, 33326862), (9, 22217908), (12, 16663431), (18, 11108954), (23, 8693964), (36, 5554477), (37, 5404356), (46, 4346982), (61, 3278052), (69, 2897988), (74, 2702178), (92, 2173491), (107, 1868796), (111, 1801452), (122, 1639026), (138, 1448994), (148, 1351089), (183, 1092684), (207, 965996), (214, 934398), (222, 900726), (244, 819513), (276, 724497), (321, 622932), (333, 600484), (366, 546342), (414, 482998), (428, 467199), (444, 450363), (549, 364228), (642, 311466), (666, 300242), (732, 273171), (828, 241499), (851, 234972), (963, 207644), (1098, 182114), (1284, 155733), (1332, 150121), (1403, 142524), (1702, 117486), (1926, 103822), (2196, 91057), (2257, 88596), (2461, 81252), (2553, 78324), (2806, 71262), (3404, 58743), (3852, 51911), (3959, 50508), (4209, 47508), (4514, 44298), (4922, 40626), (5106, 39162), (5612, 35631), (6527, 30636), (6771, 29532), (7383, 27084), (7659, 26108), (7918, 25254), (8418, 23754), (9028, 22149), (9844, 20313), (10212, 19581), (11877, 16836), (12627, 15836), (13054, 15318), (13542, 14766)]