728437220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 1779418368

約数和(自身を除く): 1050981148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 163, 233, 274, 326, 466, 548, 652, 685, 815, 932, 959, 1141, 1165, 1370, 1630, 1631, 1918, 2282, 2330, 2740, 3260, 3262, 3836, 4564, 4660, 4795, 5705, 6524, 8155, 9590, 11410, 16310, 19180, 22331, 22820, 31921, 32620, 37979, 44662, 63842, 75958, 89324, 111655, 127684, 151916, 156317, 159605, 189895, 223310, 223447, 265853, 312634, 319210, 379790, 446620, 446894, 531706, 625268, 638420, 759580, 781585, 893788, 1063412, 1117235, 1329265, 1563170, 2234470, 2658530, 3126340, 4468940, 5203123, 5317060, 10406246, 20812492, 26015615, 36421861, 52031230, 72843722, 104062460, 145687444, 182109305, 364218610, 728437220]

約数ペア:

[(1, 728437220), (2, 364218610), (4, 182109305), (5, 145687444), (7, 104062460), (10, 72843722), (14, 52031230), (20, 36421861), (28, 26015615), (35, 20812492), (70, 10406246), (137, 5317060), (140, 5203123), (163, 4468940), (233, 3126340), (274, 2658530), (326, 2234470), (466, 1563170), (548, 1329265), (652, 1117235), (685, 1063412), (815, 893788), (932, 781585), (959, 759580), (1141, 638420), (1165, 625268), (1370, 531706), (1630, 446894), (1631, 446620), (1918, 379790), (2282, 319210), (2330, 312634), (2740, 265853), (3260, 223447), (3262, 223310), (3836, 189895), (4564, 159605), (4660, 156317), (4795, 151916), (5705, 127684), (6524, 111655), (8155, 89324), (9590, 75958), (11410, 63842), (16310, 44662), (19180, 37979), (22331, 32620), (22820, 31921)]