2504708920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:653

約数の個数: 128

約数和(自身を含む): 6536194560

約数和(自身を除く): 4031485640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 227, 251, 280, 314, 454, 502, 628, 785, 908, 1004, 1099, 1135, 1255, 1256, 1570, 1589, 1757, 1816, 2008, 2198, 2270, 2510, 3140, 3178, 3514, 4396, 4540, 5020, 5495, 6280, 6356, 7028, 7945, 8785, 8792, 9080, 10040, 10990, 12712, 14056, 15890, 17570, 21980, 31780, 35140, 35639, 39407, 43960, 56977, 63560, 70280, 71278, 78814, 113954, 142556, 157628, 178195, 197035, 227908, 249473, 275849, 284885, 285112, 315256, 356390, 394070, 398839, 455816, 498946, 551698, 569770, 712780, 788140, 797678, 997892, 1103396, 1139540, 1247365, 1379245, 1425560, 1576280, 1595356, 1994195, 1995784, 2206792, 2279080, 2494730, 2758490, 3190712, 3988390, 4989460, 5516980, 7976780, 8945389, 9978920, 11033960, 15953560, 17890778, 35781556, 44726945, 62617723, 71563112, 89453890, 125235446, 178907780, 250470892, 313088615, 357815560, 500941784, 626177230, 1252354460, 2504708920]

約数ペア:

[(1, 2504708920), (2, 1252354460), (4, 626177230), (5, 500941784), (7, 357815560), (8, 313088615), (10, 250470892), (14, 178907780), (20, 125235446), (28, 89453890), (35, 71563112), (40, 62617723), (56, 44726945), (70, 35781556), (140, 17890778), (157, 15953560), (227, 11033960), (251, 9978920), (280, 8945389), (314, 7976780), (454, 5516980), (502, 4989460), (628, 3988390), (785, 3190712), (908, 2758490), (1004, 2494730), (1099, 2279080), (1135, 2206792), (1255, 1995784), (1256, 1994195), (1570, 1595356), (1589, 1576280), (1757, 1425560), (1816, 1379245), (2008, 1247365), (2198, 1139540), (2270, 1103396), (2510, 997892), (3140, 797678), (3178, 788140), (3514, 712780), (4396, 569770), (4540, 551698), (5020, 498946), (5495, 455816), (6280, 398839), (6356, 394070), (7028, 356390), (7945, 315256), (8785, 285112), (8792, 284885), (9080, 275849), (10040, 249473), (10990, 227908), (12712, 197035), (14056, 178195), (15890, 157628), (17570, 142556), (21980, 113954), (31780, 78814), (35140, 71278), (35639, 70280), (39407, 63560), (43960, 56977)]