400942696

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 982497600

約数和(自身を除く): 581554904

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 79, 88, 98, 107, 121, 154, 158, 196, 214, 242, 308, 316, 392, 428, 484, 539, 553, 616, 632, 749, 847, 856, 869, 968, 1078, 1106, 1177, 1498, 1694, 1738, 2156, 2212, 2354, 2996, 3388, 3476, 3871, 4312, 4424, 4708, 5243, 5929, 5992, 6083, 6776, 6952, 7742, 8239, 8453, 9416, 9559, 10486, 11858, 12166, 12947, 15484, 16478, 16906, 19118, 20972, 23716, 24332, 25894, 30968, 32956, 33812, 38236, 41944, 42581, 47432, 48664, 51788, 57673, 59171, 65912, 66913, 67624, 76472, 85162, 90629, 92983, 103576, 115346, 118342, 133826, 170324, 181258, 185966, 230692, 236684, 267652, 340648, 362516, 371932, 414197, 461384, 468391, 473368, 535304, 634403, 650881, 725032, 743864, 828394, 936782, 1022813, 1268806, 1301762, 1656788, 1873564, 2045626, 2537612, 2603524, 3313576, 3747128, 4091252, 4556167, 5075224, 5207048, 7159691, 8182504, 9112334, 14319382, 18224668, 28638764, 36449336, 50117837, 57277528, 100235674, 200471348, 400942696]

約数ペア:

[(1, 400942696), (2, 200471348), (4, 100235674), (7, 57277528), (8, 50117837), (11, 36449336), (14, 28638764), (22, 18224668), (28, 14319382), (44, 9112334), (49, 8182504), (56, 7159691), (77, 5207048), (79, 5075224), (88, 4556167), (98, 4091252), (107, 3747128), (121, 3313576), (154, 2603524), (158, 2537612), (196, 2045626), (214, 1873564), (242, 1656788), (308, 1301762), (316, 1268806), (392, 1022813), (428, 936782), (484, 828394), (539, 743864), (553, 725032), (616, 650881), (632, 634403), (749, 535304), (847, 473368), (856, 468391), (869, 461384), (968, 414197), (1078, 371932), (1106, 362516), (1177, 340648), (1498, 267652), (1694, 236684), (1738, 230692), (2156, 185966), (2212, 181258), (2354, 170324), (2996, 133826), (3388, 118342), (3476, 115346), (3871, 103576), (4312, 92983), (4424, 90629), (4708, 85162), (5243, 76472), (5929, 67624), (5992, 66913), (6083, 65912), (6776, 59171), (6952, 57673), (7742, 51788), (8239, 48664), (8453, 47432), (9416, 42581), (9559, 41944), (10486, 38236), (11858, 33812), (12166, 32956), (12947, 30968), (15484, 25894), (16478, 24332), (16906, 23716), (19118, 20972)]