278780796

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:349

約数の個数: 144

約数和(自身を含む): 833414400

約数和(自身を除く): 554633604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 107, 126, 147, 196, 211, 214, 252, 294, 321, 343, 422, 428, 441, 588, 633, 642, 686, 749, 844, 882, 963, 1029, 1266, 1284, 1372, 1477, 1498, 1764, 1899, 1926, 2058, 2247, 2532, 2954, 2996, 3087, 3798, 3852, 4116, 4431, 4494, 5243, 5908, 6174, 6741, 7596, 8862, 8988, 10339, 10486, 12348, 13293, 13482, 15729, 17724, 20678, 20972, 22577, 26586, 26964, 31017, 31458, 36701, 41356, 45154, 47187, 53172, 62034, 62916, 67731, 72373, 73402, 90308, 93051, 94374, 110103, 124068, 135462, 144746, 146804, 158039, 186102, 188748, 203193, 217119, 220206, 270924, 289492, 316078, 330309, 372204, 406386, 434238, 440412, 474117, 632156, 651357, 660618, 812772, 868476, 948234, 1106273, 1302714, 1321236, 1422351, 1896468, 2212546, 2605428, 2844702, 3318819, 4425092, 5689404, 6637638, 7743911, 9956457, 13275276, 15487822, 19912914, 23231733, 30975644, 39825828, 46463466, 69695199, 92926932, 139390398, 278780796]

約数ペア:

[(1, 278780796), (2, 139390398), (3, 92926932), (4, 69695199), (6, 46463466), (7, 39825828), (9, 30975644), (12, 23231733), (14, 19912914), (18, 15487822), (21, 13275276), (28, 9956457), (36, 7743911), (42, 6637638), (49, 5689404), (63, 4425092), (84, 3318819), (98, 2844702), (107, 2605428), (126, 2212546), (147, 1896468), (196, 1422351), (211, 1321236), (214, 1302714), (252, 1106273), (294, 948234), (321, 868476), (343, 812772), (422, 660618), (428, 651357), (441, 632156), (588, 474117), (633, 440412), (642, 434238), (686, 406386), (749, 372204), (844, 330309), (882, 316078), (963, 289492), (1029, 270924), (1266, 220206), (1284, 217119), (1372, 203193), (1477, 188748), (1498, 186102), (1764, 158039), (1899, 146804), (1926, 144746), (2058, 135462), (2247, 124068), (2532, 110103), (2954, 94374), (2996, 93051), (3087, 90308), (3798, 73402), (3852, 72373), (4116, 67731), (4431, 62916), (4494, 62034), (5243, 53172), (5908, 47187), (6174, 45154), (6741, 41356), (7596, 36701), (8862, 31458), (8988, 31017), (10339, 26964), (10486, 26586), (12348, 22577), (13293, 20972), (13482, 20678), (15729, 17724)]