154494700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 378864640

約数和(自身を除く): 224369940

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 43, 50, 61, 62, 76, 86, 95, 100, 122, 124, 155, 172, 190, 215, 244, 305, 310, 380, 430, 475, 589, 610, 620, 775, 817, 860, 950, 1075, 1159, 1178, 1220, 1333, 1525, 1550, 1634, 1891, 1900, 2150, 2318, 2356, 2623, 2666, 2945, 3050, 3100, 3268, 3782, 4085, 4300, 4636, 5246, 5332, 5795, 5890, 6100, 6665, 7564, 8170, 9455, 10492, 11590, 11780, 13115, 13330, 14725, 16340, 18910, 20425, 23180, 25327, 26230, 26660, 28975, 29450, 33325, 35929, 37820, 40850, 47275, 49837, 50654, 52460, 57950, 58900, 65575, 66650, 71858, 81313, 81700, 94550, 99674, 101308, 115900, 126635, 131150, 133300, 143716, 162626, 179645, 189100, 199348, 249185, 253270, 262300, 325252, 359290, 406565, 498370, 506540, 633175, 718580, 813130, 898225, 996740, 1245925, 1266350, 1544947, 1626260, 1796450, 2032825, 2491850, 2532700, 3089894, 3592900, 4065650, 4983700, 6179788, 7724735, 8131300, 15449470, 30898940, 38623675, 77247350, 154494700]

約数ペア:

[(1, 154494700), (2, 77247350), (4, 38623675), (5, 30898940), (10, 15449470), (19, 8131300), (20, 7724735), (25, 6179788), (31, 4983700), (38, 4065650), (43, 3592900), (50, 3089894), (61, 2532700), (62, 2491850), (76, 2032825), (86, 1796450), (95, 1626260), (100, 1544947), (122, 1266350), (124, 1245925), (155, 996740), (172, 898225), (190, 813130), (215, 718580), (244, 633175), (305, 506540), (310, 498370), (380, 406565), (430, 359290), (475, 325252), (589, 262300), (610, 253270), (620, 249185), (775, 199348), (817, 189100), (860, 179645), (950, 162626), (1075, 143716), (1159, 133300), (1178, 131150), (1220, 126635), (1333, 115900), (1525, 101308), (1550, 99674), (1634, 94550), (1891, 81700), (1900, 81313), (2150, 71858), (2318, 66650), (2356, 65575), (2623, 58900), (2666, 57950), (2945, 52460), (3050, 50654), (3100, 49837), (3268, 47275), (3782, 40850), (4085, 37820), (4300, 35929), (4636, 33325), (5246, 29450), (5332, 28975), (5795, 26660), (5890, 26230), (6100, 25327), (6665, 23180), (7564, 20425), (8170, 18910), (9455, 16340), (10492, 14725), (11590, 13330), (11780, 13115)]