1299398800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20177}}^1$

素因数の和:20225

約数の個数: 120

約数和(自身を含む): 3723083136

約数和(自身を除く): 2423684336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 368, 400, 460, 560, 575, 644, 700, 805, 920, 1150, 1288, 1400, 1610, 1840, 2300, 2576, 2800, 3220, 4025, 4600, 6440, 8050, 9200, 12880, 16100, 20177, 32200, 40354, 64400, 80708, 100885, 141239, 161416, 201770, 282478, 322832, 403540, 464071, 504425, 564956, 706195, 807080, 928142, 1008850, 1129912, 1412390, 1614160, 1856284, 2017700, 2259824, 2320355, 2824780, 3248497, 3530975, 3712568, 4035400, 4640710, 5649560, 6496994, 7061950, 7425136, 8070800, 9281420, 11299120, 11601775, 12993988, 14123900, 16242485, 18562840, 23203550, 25987976, 28247800, 32484970, 37125680, 46407100, 51975952, 56495600, 64969940, 81212425, 92814200, 129939880, 162424850, 185628400, 259879760, 324849700, 649699400, 1299398800]

約数ペア:

[(1, 1299398800), (2, 649699400), (4, 324849700), (5, 259879760), (7, 185628400), (8, 162424850), (10, 129939880), (14, 92814200), (16, 81212425), (20, 64969940), (23, 56495600), (25, 51975952), (28, 46407100), (35, 37125680), (40, 32484970), (46, 28247800), (50, 25987976), (56, 23203550), (70, 18562840), (80, 16242485), (92, 14123900), (100, 12993988), (112, 11601775), (115, 11299120), (140, 9281420), (161, 8070800), (175, 7425136), (184, 7061950), (200, 6496994), (230, 5649560), (280, 4640710), (322, 4035400), (350, 3712568), (368, 3530975), (400, 3248497), (460, 2824780), (560, 2320355), (575, 2259824), (644, 2017700), (700, 1856284), (805, 1614160), (920, 1412390), (1150, 1129912), (1288, 1008850), (1400, 928142), (1610, 807080), (1840, 706195), (2300, 564956), (2576, 504425), (2800, 464071), (3220, 403540), (4025, 322832), (4600, 282478), (6440, 201770), (8050, 161416), (9200, 141239), (12880, 100885), (16100, 80708), (20177, 64400), (32200, 40354)]