28218190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2819}}^1$

素因数の和:2857

約数の個数: 64

約数和(自身を含む): 68221440

約数和(自身を除く): 40003250

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 2819, 5005, 5638, 10010, 14095, 19733, 28190, 31009, 36647, 39466, 62018, 73294, 98665, 155045, 183235, 197330, 217063, 256529, 310090, 366470, 403117, 434126, 513058, 806234, 1085315, 1282645, 2015585, 2170630, 2565290, 2821819, 4031170, 5643638, 14109095, 28218190]

約数ペア:

[(1, 28218190), (2, 14109095), (5, 5643638), (7, 4031170), (10, 2821819), (11, 2565290), (13, 2170630), (14, 2015585), (22, 1282645), (26, 1085315), (35, 806234), (55, 513058), (65, 434126), (70, 403117), (77, 366470), (91, 310090), (110, 256529), (130, 217063), (143, 197330), (154, 183235), (182, 155045), (286, 98665), (385, 73294), (455, 62018), (715, 39466), (770, 36647), (910, 31009), (1001, 28190), (1430, 19733), (2002, 14095), (2819, 10010), (5005, 5638)]