89280940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 242004672

約数和(自身を除く): 152723732

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 49, 68, 70, 85, 92, 98, 115, 119, 140, 161, 170, 196, 230, 233, 238, 245, 322, 340, 391, 460, 466, 476, 490, 595, 644, 782, 805, 833, 932, 980, 1127, 1165, 1190, 1564, 1610, 1631, 1666, 1955, 2254, 2330, 2380, 2737, 3220, 3262, 3332, 3910, 3961, 4165, 4508, 4660, 5359, 5474, 5635, 6524, 7820, 7922, 8155, 8330, 10718, 10948, 11270, 11417, 13685, 15844, 16310, 16660, 19159, 19805, 21436, 22540, 22834, 26795, 27370, 27727, 32620, 37513, 38318, 39610, 45668, 53590, 54740, 55454, 57085, 75026, 76636, 79220, 91103, 95795, 107180, 110908, 114170, 138635, 150052, 182206, 187565, 191590, 194089, 228340, 262591, 277270, 364412, 375130, 383180, 388178, 455515, 525182, 554540, 637721, 750260, 776356, 911030, 970445, 1050364, 1275442, 1312955, 1822060, 1940890, 2550884, 2625910, 3188605, 3881780, 4464047, 5251820, 6377210, 8928094, 12754420, 17856188, 22320235, 44640470, 89280940]

約数ペア:

[(1, 89280940), (2, 44640470), (4, 22320235), (5, 17856188), (7, 12754420), (10, 8928094), (14, 6377210), (17, 5251820), (20, 4464047), (23, 3881780), (28, 3188605), (34, 2625910), (35, 2550884), (46, 1940890), (49, 1822060), (68, 1312955), (70, 1275442), (85, 1050364), (92, 970445), (98, 911030), (115, 776356), (119, 750260), (140, 637721), (161, 554540), (170, 525182), (196, 455515), (230, 388178), (233, 383180), (238, 375130), (245, 364412), (322, 277270), (340, 262591), (391, 228340), (460, 194089), (466, 191590), (476, 187565), (490, 182206), (595, 150052), (644, 138635), (782, 114170), (805, 110908), (833, 107180), (932, 95795), (980, 91103), (1127, 79220), (1165, 76636), (1190, 75026), (1564, 57085), (1610, 55454), (1631, 54740), (1666, 53590), (1955, 45668), (2254, 39610), (2330, 38318), (2380, 37513), (2737, 32620), (3220, 27727), (3262, 27370), (3332, 26795), (3910, 22834), (3961, 22540), (4165, 21436), (4508, 19805), (4660, 19159), (5359, 16660), (5474, 16310), (5635, 15844), (6524, 13685), (7820, 11417), (7922, 11270), (8155, 10948), (8330, 10718)]