28878850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1$

素因数の和:620

約数の個数: 96

約数和(自身を含む): 72245376

約数和(自身を除く): 43366526

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 25, 26, 35, 50, 55, 65, 70, 77, 91, 110, 130, 143, 154, 175, 182, 275, 286, 325, 350, 385, 455, 550, 577, 650, 715, 770, 910, 1001, 1154, 1430, 1925, 2002, 2275, 2885, 3575, 3850, 4039, 4550, 5005, 5770, 6347, 7150, 7501, 8078, 10010, 12694, 14425, 15002, 20195, 25025, 28850, 31735, 37505, 40390, 44429, 50050, 52507, 63470, 75010, 82511, 88858, 100975, 105014, 158675, 165022, 187525, 201950, 222145, 262535, 317350, 375050, 412555, 444290, 525070, 577577, 825110, 1110725, 1155154, 1312675, 2062775, 2221450, 2625350, 2887885, 4125550, 5775770, 14439425, 28878850]

約数ペア:

[(1, 28878850), (2, 14439425), (5, 5775770), (7, 4125550), (10, 2887885), (11, 2625350), (13, 2221450), (14, 2062775), (22, 1312675), (25, 1155154), (26, 1110725), (35, 825110), (50, 577577), (55, 525070), (65, 444290), (70, 412555), (77, 375050), (91, 317350), (110, 262535), (130, 222145), (143, 201950), (154, 187525), (175, 165022), (182, 158675), (275, 105014), (286, 100975), (325, 88858), (350, 82511), (385, 75010), (455, 63470), (550, 52507), (577, 50050), (650, 44429), (715, 40390), (770, 37505), (910, 31735), (1001, 28850), (1154, 25025), (1430, 20195), (1925, 15002), (2002, 14425), (2275, 12694), (2885, 10010), (3575, 8078), (3850, 7501), (4039, 7150), (4550, 6347), (5005, 5770)]