393861780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9901}}^1$

素因数の和:9946

約数の個数: 144

約数和(自身を含む): 1362435984

約数和(自身を除く): 968574204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9901, 9945, 13260, 19802, 19890, 29703, 39604, 39780, 49505, 59406, 89109, 99010, 118812, 128713, 148515, 168317, 178218, 198020, 257426, 297030, 336634, 356436, 386139, 445545, 504951, 514852, 594060, 643565, 673268, 772278, 841585, 891090, 1009902, 1158417, 1287130, 1514853, 1544556, 1683170, 1782180, 1930695, 2019804, 2188121, 2316834, 2524755, 2574260, 3029706, 3366340, 3861390, 4376242, 4633668, 5049510, 5792085, 6059412, 6564363, 7574265, 7722780, 8752484, 10099020, 10940605, 11584170, 13128726, 15148530, 19693089, 21881210, 23168340, 26257452, 30297060, 32821815, 39386178, 43762420, 65643630, 78772356, 98465445, 131287260, 196930890, 393861780]

約数ペア:

[(1, 393861780), (2, 196930890), (3, 131287260), (4, 98465445), (5, 78772356), (6, 65643630), (9, 43762420), (10, 39386178), (12, 32821815), (13, 30297060), (15, 26257452), (17, 23168340), (18, 21881210), (20, 19693089), (26, 15148530), (30, 13128726), (34, 11584170), (36, 10940605), (39, 10099020), (45, 8752484), (51, 7722780), (52, 7574265), (60, 6564363), (65, 6059412), (68, 5792085), (78, 5049510), (85, 4633668), (90, 4376242), (102, 3861390), (117, 3366340), (130, 3029706), (153, 2574260), (156, 2524755), (170, 2316834), (180, 2188121), (195, 2019804), (204, 1930695), (221, 1782180), (234, 1683170), (255, 1544556), (260, 1514853), (306, 1287130), (340, 1158417), (390, 1009902), (442, 891090), (468, 841585), (510, 772278), (585, 673268), (612, 643565), (663, 594060), (765, 514852), (780, 504951), (884, 445545), (1020, 386139), (1105, 356436), (1170, 336634), (1326, 297030), (1530, 257426), (1989, 198020), (2210, 178218), (2340, 168317), (2652, 148515), (3060, 128713), (3315, 118812), (3978, 99010), (4420, 89109), (6630, 59406), (7956, 49505), (9901, 39780), (9945, 39604), (13260, 29703), (19802, 19890)]