278383992

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 749952000

約数和(自身を除く): 471568008

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 61, 79, 83, 87, 116, 122, 158, 166, 174, 183, 232, 237, 244, 249, 316, 332, 348, 366, 474, 488, 498, 632, 664, 696, 732, 948, 996, 1464, 1769, 1896, 1992, 2291, 2407, 3538, 4582, 4814, 4819, 5063, 5307, 6557, 6873, 7076, 7221, 9164, 9628, 9638, 10126, 10614, 13114, 13746, 14152, 14442, 14457, 15189, 18328, 19256, 19276, 19671, 20252, 21228, 26228, 27492, 28884, 28914, 30378, 38552, 39342, 40504, 42456, 52456, 54984, 57768, 57828, 60756, 78684, 115656, 121512, 139751, 146827, 157368, 190153, 279502, 293654, 380306, 399977, 419253, 440481, 559004, 570459, 587308, 760612, 799954, 838506, 880962, 1118008, 1140918, 1174616, 1199931, 1521224, 1599908, 1677012, 1761924, 2281836, 2399862, 3199816, 3354024, 3523848, 4563672, 4799724, 9599448, 11599333, 23198666, 34797999, 46397332, 69595998, 92794664, 139191996, 278383992]

約数ペア:

[(1, 278383992), (2, 139191996), (3, 92794664), (4, 69595998), (6, 46397332), (8, 34797999), (12, 23198666), (24, 11599333), (29, 9599448), (58, 4799724), (61, 4563672), (79, 3523848), (83, 3354024), (87, 3199816), (116, 2399862), (122, 2281836), (158, 1761924), (166, 1677012), (174, 1599908), (183, 1521224), (232, 1199931), (237, 1174616), (244, 1140918), (249, 1118008), (316, 880962), (332, 838506), (348, 799954), (366, 760612), (474, 587308), (488, 570459), (498, 559004), (632, 440481), (664, 419253), (696, 399977), (732, 380306), (948, 293654), (996, 279502), (1464, 190153), (1769, 157368), (1896, 146827), (1992, 139751), (2291, 121512), (2407, 115656), (3538, 78684), (4582, 60756), (4814, 57828), (4819, 57768), (5063, 54984), (5307, 52456), (6557, 42456), (6873, 40504), (7076, 39342), (7221, 38552), (9164, 30378), (9628, 28914), (9638, 28884), (10126, 27492), (10614, 26228), (13114, 21228), (13746, 20252), (14152, 19671), (14442, 19276), (14457, 19256), (15189, 18328)]