2000129985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 4266602496

約数和(自身を除く): 2266472511

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 127, 153, 173, 255, 289, 315, 357, 381, 519, 595, 635, 765, 865, 867, 889, 1071, 1143, 1211, 1445, 1557, 1785, 1905, 2023, 2159, 2595, 2601, 2667, 2941, 3633, 4335, 4445, 5355, 5715, 6055, 6069, 6477, 7785, 8001, 8823, 10115, 10795, 10899, 13005, 13335, 14705, 15113, 18165, 18207, 19431, 20587, 21971, 26469, 30345, 32385, 36703, 40005, 44115, 45339, 49997, 54495, 61761, 65913, 75565, 91035, 97155, 102935, 109855, 110109, 132345, 136017, 149991, 153797, 183515, 185283, 197739, 226695, 249985, 256921, 308805, 329565, 330327, 349979, 373507, 449973, 461391, 550545, 680085, 749955, 768985, 770763, 926415, 988695, 1049937, 1120521, 1284605, 1384173, 1651635, 1749895, 1867535, 2249865, 2306955, 2312289, 2614549, 3149811, 3361563, 3853815, 5249685, 5602605, 6349619, 6920865, 7843647, 11561445, 13072745, 15749055, 16807815, 19048857, 23530941, 31748095, 39218235, 44447333, 57146571, 95244285, 117654705, 133341999, 222236665, 285732855, 400025997, 666709995, 2000129985]

約数ペア:

[(1, 2000129985), (3, 666709995), (5, 400025997), (7, 285732855), (9, 222236665), (15, 133341999), (17, 117654705), (21, 95244285), (35, 57146571), (45, 44447333), (51, 39218235), (63, 31748095), (85, 23530941), (105, 19048857), (119, 16807815), (127, 15749055), (153, 13072745), (173, 11561445), (255, 7843647), (289, 6920865), (315, 6349619), (357, 5602605), (381, 5249685), (519, 3853815), (595, 3361563), (635, 3149811), (765, 2614549), (865, 2312289), (867, 2306955), (889, 2249865), (1071, 1867535), (1143, 1749895), (1211, 1651635), (1445, 1384173), (1557, 1284605), (1785, 1120521), (1905, 1049937), (2023, 988695), (2159, 926415), (2595, 770763), (2601, 768985), (2667, 749955), (2941, 680085), (3633, 550545), (4335, 461391), (4445, 449973), (5355, 373507), (5715, 349979), (6055, 330327), (6069, 329565), (6477, 308805), (7785, 256921), (8001, 249985), (8823, 226695), (10115, 197739), (10795, 185283), (10899, 183515), (13005, 153797), (13335, 149991), (14705, 136017), (15113, 132345), (18165, 110109), (18207, 109855), (19431, 102935), (20587, 97155), (21971, 91035), (26469, 75565), (30345, 65913), (32385, 61761), (36703, 54495), (40005, 49997), (44115, 45339)]