251169968

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 160

約数和(自身を含む): 636387840

約数和(自身を除く): 385217872

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 53, 56, 68, 76, 106, 112, 119, 131, 133, 136, 152, 212, 238, 262, 266, 272, 304, 323, 371, 424, 476, 524, 532, 646, 742, 848, 901, 917, 952, 1007, 1048, 1064, 1292, 1484, 1802, 1834, 1904, 2014, 2096, 2128, 2227, 2261, 2489, 2584, 2968, 3604, 3668, 4028, 4454, 4522, 4978, 5168, 5936, 6307, 6943, 7049, 7208, 7336, 8056, 8908, 9044, 9956, 12614, 13886, 14098, 14416, 14672, 15589, 16112, 17119, 17423, 17816, 18088, 19912, 25228, 27772, 28196, 31178, 34238, 34846, 35632, 36176, 39824, 42313, 48601, 50456, 55544, 56392, 62356, 68476, 69692, 84626, 97202, 100912, 111088, 112784, 118031, 119833, 124712, 131917, 136952, 139384, 169252, 194404, 236062, 239666, 249424, 263834, 273904, 278768, 296191, 338504, 388808, 472124, 479332, 527668, 592382, 677008, 777616, 826217, 923419, 944248, 958664, 1055336, 1184764, 1652434, 1846838, 1888496, 1917328, 2110672, 2242589, 2369528, 3304868, 3693676, 4485178, 4739056, 6609736, 7387352, 8970356, 13219472, 14774704, 15698123, 17940712, 31396246, 35881424, 62792492, 125584984, 251169968]

約数ペア:

[(1, 251169968), (2, 125584984), (4, 62792492), (7, 35881424), (8, 31396246), (14, 17940712), (16, 15698123), (17, 14774704), (19, 13219472), (28, 8970356), (34, 7387352), (38, 6609736), (53, 4739056), (56, 4485178), (68, 3693676), (76, 3304868), (106, 2369528), (112, 2242589), (119, 2110672), (131, 1917328), (133, 1888496), (136, 1846838), (152, 1652434), (212, 1184764), (238, 1055336), (262, 958664), (266, 944248), (272, 923419), (304, 826217), (323, 777616), (371, 677008), (424, 592382), (476, 527668), (524, 479332), (532, 472124), (646, 388808), (742, 338504), (848, 296191), (901, 278768), (917, 273904), (952, 263834), (1007, 249424), (1048, 239666), (1064, 236062), (1292, 194404), (1484, 169252), (1802, 139384), (1834, 136952), (1904, 131917), (2014, 124712), (2096, 119833), (2128, 118031), (2227, 112784), (2261, 111088), (2489, 100912), (2584, 97202), (2968, 84626), (3604, 69692), (3668, 68476), (4028, 62356), (4454, 56392), (4522, 55544), (4978, 50456), (5168, 48601), (5936, 42313), (6307, 39824), (6943, 36176), (7049, 35632), (7208, 34846), (7336, 34238), (8056, 31178), (8908, 28196), (9044, 27772), (9956, 25228), (12614, 19912), (13886, 18088), (14098, 17816), (14416, 17423), (14672, 17119), (15589, 16112)]