28197330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 84049920

約数和(自身を除く): 55852590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 37, 38, 42, 57, 70, 74, 95, 105, 111, 114, 133, 185, 190, 191, 210, 222, 259, 266, 285, 370, 382, 399, 518, 555, 570, 573, 665, 703, 777, 798, 955, 1110, 1146, 1295, 1330, 1337, 1406, 1554, 1910, 1995, 2109, 2590, 2674, 2865, 3515, 3629, 3885, 3990, 4011, 4218, 4921, 5730, 6685, 7030, 7067, 7258, 7770, 8022, 9842, 10545, 10887, 13370, 14134, 14763, 18145, 20055, 21090, 21201, 21774, 24605, 25403, 29526, 35335, 36290, 40110, 42402, 49210, 49469, 50806, 54435, 70670, 73815, 76209, 98938, 106005, 108870, 127015, 134273, 147630, 148407, 152418, 212010, 247345, 254030, 268546, 296814, 381045, 402819, 494690, 671365, 742035, 762090, 805638, 939911, 1342730, 1484070, 1879822, 2014095, 2819733, 4028190, 4699555, 5639466, 9399110, 14098665, 28197330]

約数ペア:

[(1, 28197330), (2, 14098665), (3, 9399110), (5, 5639466), (6, 4699555), (7, 4028190), (10, 2819733), (14, 2014095), (15, 1879822), (19, 1484070), (21, 1342730), (30, 939911), (35, 805638), (37, 762090), (38, 742035), (42, 671365), (57, 494690), (70, 402819), (74, 381045), (95, 296814), (105, 268546), (111, 254030), (114, 247345), (133, 212010), (185, 152418), (190, 148407), (191, 147630), (210, 134273), (222, 127015), (259, 108870), (266, 106005), (285, 98938), (370, 76209), (382, 73815), (399, 70670), (518, 54435), (555, 50806), (570, 49469), (573, 49210), (665, 42402), (703, 40110), (777, 36290), (798, 35335), (955, 29526), (1110, 25403), (1146, 24605), (1295, 21774), (1330, 21201), (1337, 21090), (1406, 20055), (1554, 18145), (1910, 14763), (1995, 14134), (2109, 13370), (2590, 10887), (2674, 10545), (2865, 9842), (3515, 8022), (3629, 7770), (3885, 7258), (3990, 7067), (4011, 7030), (4218, 6685), (4921, 5730)]