28612870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 65155104

約数和(自身を除く): 36542234

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 107, 110, 121, 130, 143, 170, 187, 214, 221, 242, 286, 374, 442, 535, 605, 715, 935, 1070, 1105, 1177, 1210, 1391, 1430, 1573, 1819, 1870, 2057, 2210, 2354, 2431, 2782, 3146, 3638, 4114, 4862, 5885, 6955, 7865, 9095, 10285, 11770, 12155, 12947, 13910, 15301, 15730, 18190, 20009, 20570, 23647, 24310, 25894, 26741, 30602, 40018, 47294, 53482, 64735, 76505, 100045, 118235, 129470, 133705, 153010, 168311, 200090, 220099, 236470, 260117, 267410, 336622, 440198, 520234, 841555, 1100495, 1300585, 1683110, 2200990, 2601170, 2861287, 5722574, 14306435, 28612870]

約数ペア:

[(1, 28612870), (2, 14306435), (5, 5722574), (10, 2861287), (11, 2601170), (13, 2200990), (17, 1683110), (22, 1300585), (26, 1100495), (34, 841555), (55, 520234), (65, 440198), (85, 336622), (107, 267410), (110, 260117), (121, 236470), (130, 220099), (143, 200090), (170, 168311), (187, 153010), (214, 133705), (221, 129470), (242, 118235), (286, 100045), (374, 76505), (442, 64735), (535, 53482), (605, 47294), (715, 40018), (935, 30602), (1070, 26741), (1105, 25894), (1177, 24310), (1210, 23647), (1391, 20570), (1430, 20009), (1573, 18190), (1819, 15730), (1870, 15301), (2057, 13910), (2210, 12947), (2354, 12155), (2431, 11770), (2782, 10285), (3146, 9095), (3638, 7865), (4114, 6955), (4862, 5885)]