172979800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{929}}^1$

素因数の和:978

約数の個数: 144

約数和(自身を含む): 492993000

約数和(自身を除く): 320013200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 95, 98, 100, 133, 140, 152, 175, 190, 196, 200, 245, 266, 280, 350, 380, 392, 475, 490, 532, 665, 700, 760, 929, 931, 950, 980, 1064, 1225, 1330, 1400, 1858, 1862, 1900, 1960, 2450, 2660, 3325, 3716, 3724, 3800, 4645, 4655, 4900, 5320, 6503, 6650, 7432, 7448, 9290, 9310, 9800, 13006, 13300, 17651, 18580, 18620, 23225, 23275, 26012, 26600, 32515, 35302, 37160, 37240, 45521, 46450, 46550, 52024, 65030, 70604, 88255, 91042, 92900, 93100, 123557, 130060, 141208, 162575, 176510, 182084, 185800, 186200, 227605, 247114, 260120, 325150, 353020, 364168, 441275, 455210, 494228, 617785, 650300, 706040, 864899, 882550, 910420, 988456, 1138025, 1235570, 1300600, 1729798, 1765100, 1820840, 2276050, 2471140, 3088925, 3459596, 3530200, 4324495, 4552100, 4942280, 6177850, 6919192, 8648990, 9104200, 12355700, 17297980, 21622475, 24711400, 34595960, 43244950, 86489900, 172979800]

約数ペア:

[(1, 172979800), (2, 86489900), (4, 43244950), (5, 34595960), (7, 24711400), (8, 21622475), (10, 17297980), (14, 12355700), (19, 9104200), (20, 8648990), (25, 6919192), (28, 6177850), (35, 4942280), (38, 4552100), (40, 4324495), (49, 3530200), (50, 3459596), (56, 3088925), (70, 2471140), (76, 2276050), (95, 1820840), (98, 1765100), (100, 1729798), (133, 1300600), (140, 1235570), (152, 1138025), (175, 988456), (190, 910420), (196, 882550), (200, 864899), (245, 706040), (266, 650300), (280, 617785), (350, 494228), (380, 455210), (392, 441275), (475, 364168), (490, 353020), (532, 325150), (665, 260120), (700, 247114), (760, 227605), (929, 186200), (931, 185800), (950, 182084), (980, 176510), (1064, 162575), (1225, 141208), (1330, 130060), (1400, 123557), (1858, 93100), (1862, 92900), (1900, 91042), (1960, 88255), (2450, 70604), (2660, 65030), (3325, 52024), (3716, 46550), (3724, 46450), (3800, 45521), (4645, 37240), (4655, 37160), (4900, 35302), (5320, 32515), (6503, 26600), (6650, 26012), (7432, 23275), (7448, 23225), (9290, 18620), (9310, 18580), (9800, 17651), (13006, 13300)]