285300280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 682844400

約数和(自身を除く): 397544120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 97, 115, 139, 184, 194, 230, 278, 388, 460, 485, 529, 556, 695, 776, 920, 970, 1058, 1112, 1390, 1940, 2116, 2231, 2645, 2780, 3197, 3880, 4232, 4462, 5290, 5560, 6394, 8924, 10580, 11155, 12788, 13483, 15985, 17848, 21160, 22310, 25576, 26966, 31970, 44620, 51313, 53932, 63940, 67415, 73531, 89240, 102626, 107864, 127880, 134830, 147062, 205252, 256565, 269660, 294124, 310109, 367655, 410504, 513130, 539320, 588248, 620218, 735310, 1026260, 1240436, 1470620, 1550545, 2052520, 2480872, 2941240, 3101090, 6202180, 7132507, 12404360, 14265014, 28530028, 35662535, 57060056, 71325070, 142650140, 285300280]

約数ペア:

[(1, 285300280), (2, 142650140), (4, 71325070), (5, 57060056), (8, 35662535), (10, 28530028), (20, 14265014), (23, 12404360), (40, 7132507), (46, 6202180), (92, 3101090), (97, 2941240), (115, 2480872), (139, 2052520), (184, 1550545), (194, 1470620), (230, 1240436), (278, 1026260), (388, 735310), (460, 620218), (485, 588248), (529, 539320), (556, 513130), (695, 410504), (776, 367655), (920, 310109), (970, 294124), (1058, 269660), (1112, 256565), (1390, 205252), (1940, 147062), (2116, 134830), (2231, 127880), (2645, 107864), (2780, 102626), (3197, 89240), (3880, 73531), (4232, 67415), (4462, 63940), (5290, 53932), (5560, 51313), (6394, 44620), (8924, 31970), (10580, 26966), (11155, 25576), (12788, 22310), (13483, 21160), (15985, 17848)]