402454710

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6869}}^1$

素因数の和:6923

約数の個数: 128

約数和(自身を含む): 1266278400

約数和(自身を除く): 863823690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 837, 930, 945, 1085, 1302, 1395, 1674, 1890, 1953, 2170, 2790, 3255, 3906, 4185, 5859, 6510, 6869, 8370, 9765, 11718, 13738, 19530, 20607, 29295, 34345, 41214, 48083, 58590, 61821, 68690, 96166, 103035, 123642, 144249, 185463, 206070, 212939, 240415, 288498, 309105, 370926, 425878, 432747, 480830, 618210, 638817, 721245, 865494, 927315, 1064695, 1277634, 1298241, 1442490, 1490573, 1854630, 1916451, 2129390, 2163735, 2596482, 2981146, 3194085, 3832902, 4327470, 4471719, 5749353, 6388170, 6491205, 7452865, 8943438, 9582255, 11498706, 12982410, 13415157, 14905730, 19164510, 22358595, 26830314, 28746765, 40245471, 44717190, 57493530, 67075785, 80490942, 134151570, 201227355, 402454710]

約数ペア:

[(1, 402454710), (2, 201227355), (3, 134151570), (5, 80490942), (6, 67075785), (7, 57493530), (9, 44717190), (10, 40245471), (14, 28746765), (15, 26830314), (18, 22358595), (21, 19164510), (27, 14905730), (30, 13415157), (31, 12982410), (35, 11498706), (42, 9582255), (45, 8943438), (54, 7452865), (62, 6491205), (63, 6388170), (70, 5749353), (90, 4471719), (93, 4327470), (105, 3832902), (126, 3194085), (135, 2981146), (155, 2596482), (186, 2163735), (189, 2129390), (210, 1916451), (217, 1854630), (270, 1490573), (279, 1442490), (310, 1298241), (315, 1277634), (378, 1064695), (434, 927315), (465, 865494), (558, 721245), (630, 638817), (651, 618210), (837, 480830), (930, 432747), (945, 425878), (1085, 370926), (1302, 309105), (1395, 288498), (1674, 240415), (1890, 212939), (1953, 206070), (2170, 185463), (2790, 144249), (3255, 123642), (3906, 103035), (4185, 96166), (5859, 68690), (6510, 61821), (6869, 58590), (8370, 48083), (9765, 41214), (11718, 34345), (13738, 29295), (19530, 20607)]