199993752

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{349}}^1\times {\mathrm{379}}^1$

素因数の和:750

約数の個数: 128

約数和(自身を含む): 638400000

約数和(自身を除く): 438406248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 349, 378, 379, 504, 698, 756, 758, 1047, 1137, 1396, 1512, 1516, 2094, 2274, 2443, 2653, 2792, 3032, 3141, 3411, 4188, 4548, 4886, 5306, 6282, 6822, 7329, 7959, 8376, 9096, 9423, 9772, 10233, 10612, 12564, 13644, 14658, 15918, 18846, 19544, 20466, 21224, 21987, 23877, 25128, 27288, 29316, 31836, 37692, 40932, 43974, 47754, 58632, 63672, 65961, 71631, 75384, 81864, 87948, 95508, 131922, 132271, 143262, 175896, 191016, 263844, 264542, 286524, 396813, 527688, 529084, 573048, 793626, 925897, 1058168, 1190439, 1587252, 1851794, 2380878, 2777691, 3174504, 3571317, 3703588, 4761756, 5555382, 7142634, 7407176, 8333073, 9523512, 11110764, 14285268, 16666146, 22221528, 24999219, 28570536, 33332292, 49998438, 66664584, 99996876, 199993752]

約数ペア:

[(1, 199993752), (2, 99996876), (3, 66664584), (4, 49998438), (6, 33332292), (7, 28570536), (8, 24999219), (9, 22221528), (12, 16666146), (14, 14285268), (18, 11110764), (21, 9523512), (24, 8333073), (27, 7407176), (28, 7142634), (36, 5555382), (42, 4761756), (54, 3703588), (56, 3571317), (63, 3174504), (72, 2777691), (84, 2380878), (108, 1851794), (126, 1587252), (168, 1190439), (189, 1058168), (216, 925897), (252, 793626), (349, 573048), (378, 529084), (379, 527688), (504, 396813), (698, 286524), (756, 264542), (758, 263844), (1047, 191016), (1137, 175896), (1396, 143262), (1512, 132271), (1516, 131922), (2094, 95508), (2274, 87948), (2443, 81864), (2653, 75384), (2792, 71631), (3032, 65961), (3141, 63672), (3411, 58632), (4188, 47754), (4548, 43974), (4886, 40932), (5306, 37692), (6282, 31836), (6822, 29316), (7329, 27288), (7959, 25128), (8376, 23877), (9096, 21987), (9423, 21224), (9772, 20466), (10233, 19544), (10612, 18846), (12564, 15918), (13644, 14658)]